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Two schoolteachers, Ian Chesterton and Barbara Wright, become concerned by the unusual behavior of their fifteen-year-old student, Susan Foreman. When they follow her home, they meet her mysterious grandfather, the Doctor, and find themselves unwilling passengers on his time ship, the TARDIS...
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The TARDIS lands in a petrified forest on an alien planet. Determined to explore, the Doctor leads his companions into the metal city, where they discover the danger of what will become his deadliest enemies, the mutant Daleks. (Originally broadcast in seven parts.)
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In this completely TARDIS-based story, the crew find themselves and their ship acting very strangely indeed. Blame runs high for the Ship's unusual behavior, until the Doctor realizes the TARDIS itself may be trying to warn them... (Originally broadcast in two parts; also known in fan circles as "Inside the Spaceship.")
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The TARDIS arrives on Earth in the 13th century, where it is claimed by famed explorer Marco Polo as a gift for his employer, Kublai Khan. Polo hopes to finally buy his way out of the Khan's service - but if he succeeds, the Doctor and his friends will never be able to get back to their Ship ever again... (Originally broadcast in seven parts.)
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The Doctor and Susan are able to supply Marco with condensation that has formed inside the TARDIS, saving the group from dying of first.When the group are reunited with Tegana, the travelers begin to suspect he is up to something. |
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The Doctor and his friends elect to warn Marco of Acomat's attack even though it means losing their chance to gain access to the TARDIS. |
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The Doctor, Ian and Barbara are forced to surrender to Tegana and Marco, leaving both of them the opportunity to gain possession of the TARDIS. |
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Tegana finally makes his move to assassinate the Khan, giving the Doctor and his friends an opportunity to thwart his plans and regain the TARDIS. |
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On the planet Marinus, the Doctor and his companions are enlisted by Arbitan to seek out the keys to an ancient and powerful machine. Their quest takes them across time and space; will they be able to return the keys before Marinus falls under the control of the alien Voord? (Originally broadcast in six parts.)
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The TARDIS arrives on Earth landing in 16th century Aztec society. Barbara goes off exploring - despite the Doctor's orders not to wander off - and is taken away by the high priest Autloc who believes she is the reincarnation of the goddess Yetaxa. They believe it is a sign that the rains - which are late - will now come. The high priest of sacrifice Tlotoxl recruits Ian to lead their army but he finds he has a rival in Ixta. Ian is less than comfortable with his role when he learns that they are to deliver the human sacrifice to the high priest at the rain ceremony. The Doctor emphasizes that they must not interfere with Aztec rituals, something that does not sit well with Barbara.
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The Doctor admonishes Barbara for interfering with Aztec rituals and putting them all in danger. The Doctor suggests she play Tlotoxl, who believes she is a false god, off against Autloc who believes she is a true incarnation. Ian faces Ixta, his rival for leadership. Tlotoxl promises Ixta honor and glory if he destroys Ian. Meanwhile, the Doctor tries to get information about the temple's construction in order to find a way back into the burial chamber and the TARDIS. The architect's son, Ian's rival Ixta, wants a favor in return. Susan continues her studies of Aztec customs at the seminary.
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There is to be a sacrifice in three days time and Barbara is determined to stop it. Ian recovers from the drug Ixta administered during their fight and finds him somewhat more conciliatory. In trying to gain Cameca's support, the Doctor finds that he has inadvertently become engaged to her. He may have found a way into the tomb however. Tlotoxl is determined to prove Barbara is a false god and tries to poison her. When that fails, he focuses on Susan, who is reluctant to accept some Aztec practices. When she refuses to marry the man chosen for her, Tlotoxl arranges for her to be publicly punished.
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Ian finds a way out of the flooded tunnel and into the burial chamber. He is later arrested however when he tries to save Susan who is to be publicly punished just prior to the next sacrifice. Autloc comes to believe that Barbara is a false god, but she convinces him that Tlotoxl is plotting against them. Ian faces his foe for one last time as the Doctor builds a pulley to re-open burial chamber door and get access to the TARDIS.
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The TARDIS arrives aboard a spaceship that has been captured by the Sensorites, a hearing-sensitive alien race. The Sensorites are dying, and the Doctor finds himself forced to investigate the origin of the mysterious illness. (Originally broadcast in six parts.)
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The TARDIS lands during the French Revolution, where Ian, Barbara, and Susan become caught up in the politics of the day. When they are arrested and set to be executed, the Doctor must take on the disguise of a public official to try and save their lives. (Originally broadcast in six parts.)
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When the TARDIS malfunctions and the doors open in the time vortex, the travelers and their Ship shrink to the size of insects. When they arrive on Earth, they uncover a murderous plot involving a new insecticide - but how can they stop the crime in their miniaturized condition? (Originally broadcast in three parts.)
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Ian and Barbara are accidentally taken into Smithers' laboratory and, while the Doctor and Susan face a hazardous journey to reach them, they witness the deadly effects of DN6 first hand. |
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The Doctor and his friends face a race against time to expose Forrester's plans and return to normal size before Barbara succumbs to the effects of DN6. |
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Ian and Barbara believe the TARDIS has finally returned to their contemporary London, but soon discover signs of plague and warfare. Their old enemies, the Daleks, have invaded the Earth of the 22nd century. Separated and fighting for their lives, the travelers must try to aid the remaining humans and overthrow the Daleks' cruel tyranny. (Originally broadcast in six parts.)
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A futuristic London setting has the Doctor and companions dealing with a war torn environment created by the power crazed Dalek's. This was the series that created "Dalekmania" and in which a major colour film followed, and with imaginative sets and more than an intriguing plot to transcend the narrative. Joining an underground resistance group, it is full-blown war against an alien foe invading, conquering and killing its way to the heights of Dalek dominance. Time travel, Robomen, space ships, Dalek invasion and the Doctor, together, a legacy of a battle of giants and classic sci-fi.
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The Doctor manages to escape from the Dalek saucer and meet up with Susan and David but Ian is left trapped onboard. Meanwhile, Barbara and her new friends face a dangerous journey across London. |
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While Susan and David try to find a way out of London, Ian and Larry infiltrate the Dalek mine workings. |
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The Doctor's party investigate the Daleks' central control in Bedfordshire while Barbara and Jenny's attempt to reach it are derailed when they are betrayed. |
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The Daleks' plan to transform Earth into a giant spaceship and wipe out its inhabitants is nearing completion and the Doctor and his friends face a race against time to prevent them from destroying the planet's core. |
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On the planet Dido, the monstrous Koquillion terrorizes Bennett and Vicki, the only survivors of a crashed spaceship. When the TARDIS lands, the Doctor, Ian, and Barbara team up with Vicki to discover what Koquillion is hiding. (Originally broadcast in two parts.)
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The Doctor and Ian reach the crashed spaceship and meet up with Barbara and Vicki, where the Doctor uncovers the truth about Koquillion. |
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The travelers decide to take a holiday near ancient Rome, but after a month the Doctor gets restless. He and Vicki determine to visit Rome, and while they are gone Ian and Barbara are abducted by slave traders. All roads lead to Rome, however, and the travelers find themselves at the mercy of the country's petulant emperor, Nero... (Originally broadcast in four parts.)
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The TARDIS is drawn by a mysterious force and lands on the alien planet Vortis. There the Doctor, Ian, Barbara and Vicki find themselves caught up in a war between an evil force known as "The Animus", its ant-like Zarbi allies, and the butterfly-like Menoptra race and their allies the subterranean Optera.
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The Doctor, Ian and Vicki are captured by the Zarbi while Barbara meets up with the butterfly-like Menoptera who are trying to reclaim the planet. |
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Ian and Vrestin are captured by the subterranean Optera while Barbara and her Menoptera allies attempt to escape from the slave camp. |
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Barbara and the surviving Menoptera take refuge in the Temple of Light while the Doctor and Vicki attempt to escape by taking control of a Zarbi. |
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The Doctor and Vicki are taken before the Animus but the isoptope is left behind in the laboratory.The only hope of victory lies with Barbara and her Menoptera allies. |
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While the Doctor, Ian, and Vicki are drawn into the intrigues of King Richard's court, Barbara has to cope with an impatient Saladin and the vengeful El Akir. |
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Ian sets out with a reluctant accomplice to rescue Barbara from El Akir's palace as the Doctor and Vicki try to evade the suspicions of the Earl of Leicester. |
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The TARDIS arrives on a planet that has been turned into a space museum but the Doctor and his friends are puzzled when they find themselves out of phase with their surroundings. |
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Now back on their proper time track, the Doctor and his friends must work to avoid the future they saw for themselves. |
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With the Doctor missing, Ian, Barbara and Vicki find themselves in danger from the Moroks while the Xerons also try to make contact with them. |
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While Ian tries to force Lobos to release the Doctor from the museum, Vicki joins the Xerons in trying to gain the weapons needed to start a revolution against the occupiers. |
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After an encounter with a hostile robot called a Chumblie, the Doctor and his companions are rescued by a group of female Drahvins. |
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With the knowledge that the planet will be destroyed in two days, the Drahvins instruct the Doctor to help them steal the Rills' ship. |
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The Doctor and Vicki encounter the Rills and learn the situation is more complex than they thought while Steven finds the Drahvins' hospitality ever more perilous. |
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The Doctor and Vicki enlist the aid of the Chumblies to rescue Steven from the Drahvins and then find a way off the planet before its destruction. |
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Whilst The Doctor, Steven and Vicki are traveling to their next destination. On the planet Kembel, Marc Cory, a Space Security Service agent discovers The Daleks are attending a secret meeting with their allies. Where Cory discovers the Dalek's evil plan, which sets the stage for the epic 14-part adventure "The Dalek Master Plan".
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With Steven and Vicki being held prisoner by the Trojans, the Doctor's only hope of seeing them again is to suggest the idea of the Trojan Horse. |
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The Doctor waits inside the Trojan Horse for a chance to reach his companions but Steven's assumed identity as a Greek soldier and Vicki's growing feelings for Troilus endanger their escape. |
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In the year 4000, the Daleks conspire to conquer the Solar System. Their scheme involves treachery at the highest levels, and a weapon capable of destroying the very fabric of time. Only the Doctor and his friends have the means to prevent catastrophe - and there is no guarantee they will escape with their lives...(Originally broadcast in twelve parts.)
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The Doctor, Steven and Sara escape Mira in a Dalek pursuit ship but when they find the ship is returning to Kembel, they are forced to come up with a new plan to avoid the Daleks. |
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With the Daleks poised to invade the solar system, the Doctor decides his only option is to activate the Time Destructor prematurely, threatening the entire planet. |
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The Doctor, Steven and Dodo arrive on a giant spaceship millions of years in the future, transporting the last humans away from the doomed Earth. |
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With the Ark infected with a cold virus, the Doctor must convince the Guardians to trust him so he can find a cure. |
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The Doctor, Steven and Dodo have traveled 700 years into the future and find that the Ark is now under the control of the Monoids as it approaches Refusis. |
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The Monoids abandon the Ark, leaving Steven and the Guardians to die, but a mutiny in their ranks may give the Doctor a chance to bring about peace. |
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The Doctor, Steven and Dodo arrive in the realms of the Celestial Toymaker, who forces them to play his deadly games. |
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While the Doctor continues to play the Trilogic Game with the Toymaker, Steven and Dodo are involved in a deadly game of musical chairs. |
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Steven and Dodo are forced to cross the dancing floor, where the Toymaker's dolls plan to force them to dance for eternity. |
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The TARDIS arrives in Tombstone, Arizona in 1891. Where the Doctor is looking for a dentist when he has a toothache, where The Doctor finds the local dentist is the famous Doc Holliday who is in a feud with The Clanton Brothers and their hired gunfighter Johnny Ringo, whilst local sheriff Wyatt Earp is trying to keep the peace. The Doctor, Steven and Dodo find themselves joining forces with The Clanton Brothers and Sheriff Wyatt Earp.
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With the Clantons believing the Doctor to be Doc Holliday, Wyatt Earp takes him into protective custody but this leaves Steven and Dodo in danger. |
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Earp comes to Steven's rescue and arrests Phineas Clanton, prompting the Clantons to decide to enlist the help of Johnny Ringo. |
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The Clantons have shot Warren Earp, leading to a showdown between the two families with the Doctor powerless to prevent bloodshed. |
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The Doctor, Steven and Dodo arrive in the far future and are welcomed by the advanced civilisation of the Elders but soon begin to suspect they are hiding a secret. |
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The Doctor, Steven and Dodo investigate why there are Savages in the Elders' city and uncover the true price of the Elders' perfect society. |
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The Doctor has been subjected to the Elders' extraction process and Steven and Dodo must return to their city to rescue him. |
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The Doctor urges the Savages to finally bring an end to the Elders' oppression and enlists the help of an unlikely ally. |
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The Doctor discovers Polly and Ben aboard the TARDIS shortly before the ship arrives in 17th century Cornwall, where the local churchwarden gives the Doctor a cryptic message shortly before being murdered. |
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Pike is convinced that the Doctor knows the location of Avery's treasure while Polly and Ben try to convince the locals they were not responsible for Longfoot's murder. |
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Polly and Ben are placed in the custody of Blake, who reveals he also has his suspicions about the Squire, while the Doctor and Kewper are forced to team up to escape from Pike's ship. |
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The Doctor and his friends are at the mercy of Cherub, who is now seeking Avery's treasure for himself, while Pike prepares to attack the village. |
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The TARDIS arrives on the Earth colony of Vulcan where the newly-regenerated Doctor assumes the identity of an Earth Examiner. |
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The Doctor fails to convince the colonists of the danger posed by the Daleks and soon the other two are also reactivated. |
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With Polly being held prisoner by the rebels, the Doctor and Ben decide to investigate them, while Lesterson discovers the Daleks are reproducing. |
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The Doctor and Quinn attempt to escape in order to stop Bragen using the Daleks to take over the colony. |
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With Bragen having taken over, the Daleks trick the rebels into turning them loose and only the Doctor can stop them wiping out the entire colony. |
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The Doctor, Polly and Ben arrive in 1746, in the aftermath of the Battle of Culloden, and are captured by a group of Highlanders shortly before they themselves are captured by redcoats. |
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Polly and Kirsty capture Lieutenant Ffinch to try and enlist his help while the Doctor tricks Gray in order to escape. |
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Ben manages to join up with the Doctor, Polly and Kirsty and together they work to free the Highlanders from Trask's ship before Grey sells them into slavery. |
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The TARDIS materialises on a deserted beach where the Doctor and his friends are captured by primitive warriors and taken to the fabled city of Atlantis. |
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While Ara tries to save Polly from being turned into a Fish Person and Ben and Jamie try to escape from the mines, the Doctor discovers the full extent of Zaroff's plans. |
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The Doctor and Ramo are sentenced to be sacrificed to the goddess Amdo and must escape to put a stop to Zaroff's plan. |
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With Zaroff's plan nearing completion, the Doctor and Ben realise the only way to save the world is to destroy Atlantis. |
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The TARDIS arrives on the Moon in the year 2070.When Jamie is injured, the other travellers are forced to seek the help of a moonbase afflicted with a space plague. |
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The Doctor is unable to convince the colonists that the Macra exist and an attempt to brainwash his companions results in Ben betraying his friends. |
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The Doctor and Polly manage to save Jamie from the Macra and then try to show the Pilot who is really in charge of the colony. |
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The Doctor and Jamie are stranded in 1966 London when the TARDIS is stolen, driven away in the back of a lorry. The Doctor uses his keen sense for clues and deduction to track the TARDIS back to a very unusual antique shoppe owned by the even more unusual and mysterious Edward Waterfield. As it transpires Mr. Waterfield and Victorian scientist Theodore Maxtible have devised a method of time travel with the help of some rather sinister associates - the Daleks. The Daleks have taken Edward Waterfield's daughter, Victoria, hostage. Using her life as a bargaining piece the Daleks force the terrified men to serve them and assist in capturing the Doctor. When this is accomplished the Daleks soon force the Doctor into their service by threatening to destroy the TARDIS if he does not aide them by experimenting on Jamie...
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The Doctor and Jamie investigate Waterfield's antiques shop, where they are knocked unconscious and transported back to the 19th century. |
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Jamie and Kemel team up to try and find Victoria, while the Doctor and the Daleks continue to monitor their progress. |
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With the experiment at an end, the Doctor begins to suspect the key to rescuing Jamie, Victoria and Kemel from the Daleks lies with Terrall. |
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The Daleks are poised to spread the Dalek Factor throughout the history of Earth and begin by implanting the Doctor. |
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Dr Who (Patrick Troughton) introduces Victoria (Deborah Watling) to the TARDIS and explains its capabilities. At first she does not believe him, but with the urging of Jamie (Frazer Hines) she begins to believe his story. He then tells her he is 450 years old. On a desolate planet a group of human archeologists prepare an explosive charge they believe may reveal the entrance to the underground city of Telos. As the debris clears they find a set of doors set in the side of a hill side. One of the men excitedly tries to open the doors only to be killed by an electrical discharge. A number of the group hear strange engine noises in the distance, as they go to investigate they encounter the Doctor, Jamie and Victoria. The humans assume the Doctor is a rival expedition and had something to do with their colleagues death. The leader of the expedition, Professor Parry (Aubrey Richards) explains to the Doctor they are seeking answers as to why the Cybermen died out. Telos, also the name of the planet of origin for the Cybermen is being explored to try and understand why the Cybermen died out centuries before. Professor Parry and Eric Klieg (George Pastell) clash over leadership of the expedition. Parry points out that while Klieg and Miss Kaftan (Shirley Cooklin) have paid for the expedition they had previously agreed that would not give them any level of control. Klieg backs down and allows Parry and the Doctor to work out how to get the doors to the city open. The Doctor disarms the doors and Kaftans servant, Toberman (Roy Stewart) opens the door, the combined group then discovers a control center and two hidden doors till the doctor points them out. Klieg queries how the Doctor seems to know so much about the installation. The Doctor explains it is basic logic, similar to that used in computers. The party then splits up to explore the rest of the city, while Parry, The Doctor and Klieg remain at the entrance to study a special hatch they believe may lead deep into the city. The separated groups begin to make various discoveries, including where the cybermen are made. Jamie finds an inactive cybernaught but does not understand the purpose of the small machine. In the control center the Doctor accidentally shows Klieg how to activate some of the Cyberman technology. Throughout the rest of the city equipment begins to power up. The Doctor suddenly fears the Cybermen may not be as dormant as the humans think. In the creation room Victoria is trapped by Kaftan in one of the cyberman converters. One of the scientist rushes off to find the Doctor while Kaftan attempts to stop her. Elsewhere Jamie has become mesmerized by a projected light display. Chapman_Glen@yahoo.com
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After the deaths, the expedition decide it is best to leave, only to find their ship has been disabled. Encouraged by Klieg the group finally gain access to the under city via the hatch dominating the control room In the city they find the cyber tombs. Klieg fired by ideological zeal begins to revive the cybermen in spite the protest of everyone else. Will the Doctor be able to stop the flood of cybermen pouring out from the now activated tombs, or will he be forced to join the ranks of the cybermen.
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The Cybermen have been resurrected and the Doctor realizes that it was all a trap on their part to capture beings intelligent enough to interpret the codes and operate the equipment to do so. They intend to create a new race of Cybermen with the Earthlings as the prototypes. Meanwhile, Victoria turns to Captain Hopper for help and he manages to open the hatch. He rescues all of them except Toberman but the Cybermen unleash their secret weapon.
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Having managed to control the Cybermen's small mechanical creatures, the Doctor must now deal with Klieg who is still intent on taking control of the Cybermen. Klieg reveals his true objective - the conquest of the Earth, with the help of the Cybermen - allowing him to build a better world. It's left to the Doctor to foil his plans.
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While the Doctor and Jamie return to the TARDIS for equipment, the control sphere Jamie brought to the monastery is reactivated. |
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The Yeti escapes from the monastery and Victoria and Thonmi are accused of assisting it, while the Doctor and Jamie endure a perilous journey back across the mountains. |
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Victoria falls under the mental influence of Padmasambhva as the Yeti attack in order to drive the monks from the area. |
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With the Great Intelligence on the verge of becoming corporeal, the Doctor challenges Padmasambhva to a mental battle in order to defeat it. |
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Varga revives and takes Victoria hostage as he works to revive his crew while the Doctor and Jamie find Penley stealing medical supplies. |
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Jamie and Arden venture out to rescue Victoria only to find the rest of the Ice Warriors are now active. |
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After the Doctor is attacked by a group of mysterious gunmen, he discovers he is the physical double of the famous scientist Salamander. |
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The Doctor persuades Bruce to help him infiltrate Salamander's research centre while Salamander takes drastic action to prevent Swann finding out the truth. |
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The Doctor discovers the true link between Salamander and Kent while Astrid tries to convince the shelter inhabitants they have been lied to. |
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The TARDIS arrives on the planet Dulkis where the Doctor, Zoe and Jamie decide to have a quiet holiday. Only to find the Evil Dominators and their robotic slaves, The Quarks have arrived on a radioactive island, where they plan to detonate a bomb in the planet's core, which will turn the entire planet as source of radioactive fuel for their invasion fleet.
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The TARDIS arrives in a white void, when the TARDIS makes a emergency take-off to escape the volcanic eruption on Dulkis. Where the Doctor, Jamie and Zoe find themselves in the Land of Fiction, where fictional characters from the imagination come to life and The Master, the mysterious ruler of The Land of Fiction chooses the Doctor to take his place.
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When the Doctor, Zoe and Jamie investigate the mysterious disappearance of an eminent scientist, their search takes them to International Electromatics, a powerful firm run by the sinister Tobias Vaughan. Under surveillance by the Brigadier's top secret United Nations Intelligence Task Force (UNIT), it soon becomes apparent that there is more to Vaughan's activities than meets the eye. Just who are his mysterious allies? What is lurking down the sewers of London? Soon the Doctor discovers his ultimate horror - that the Cybermen are in league with Vaughan. As they begin bursting from the sewers onto the streets of London and cities around the world it is clear that their plan is the total invasion of planet Earth
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The Cybermen are here to take over the world, and for the first time, UNIT are here to deal with the threats of a global invasion of a very alien and robotic kind. With locations shots of a nineteen sixties London to enhance realism and a new and fresh, contemporary look for the Cybermen, these episodes were considered a landmark and turning point in the Doctor Who franchise that has a sinister industrialist working in league with the dreaded Cybermen. It is now up to the Doctor and the United Nations Intelligence Taskforce to thwart their plans in eight new exciting and action filled chapters'.
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The TARDIS lands on a nameless desolate planet where The Doctor, Jamie and Zoe learn the native Gonds are ruled by the mysterious and unseen Krotons, where The Krotons chooses their top students to join The Krotons in their machine as their companions. But The Doctor, Jamie and Zoe discover The Krotons are crystalline alien beings and are turning The Gonds mental power into energy and are feeding off it.
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Space beacons are being destroyed by pirates, who are salvaging the argonite metal. When the Doctor, Jamie and Zoe arrive on one of the beacons, they are mistaken for pirates. |
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The Doctor, Jamie and Zoe are held prisoner by the space pirates while Caven comes up with a plan to throw suspicion onto Clancey. |
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Madeleine is revealed to be working with Caven, who comes up with a way to kill the Doctor and his friends whilst framing them for the piracy. |
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With Clancey and Issigri trapped aboard the LIZ, the Doctor, Jamie and Zoe try to convince Madeleine to help them before Caven destroys Ta. |
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Exiled to Earth in the late 20th Century by his own people, the Time Lords. The newly regenerated Doctor arrives in Oxley Woods alongside a shower of mysterious meteorites. Investigating these unusual occurrences is the newly-formed United Nations Intelligence Taskforce (UNIT) for short. Led by Brigadier Alistair Gordon Lethbridge-Stewart, UNIT are soon called into action when people and meteorites start going missing. Most puzzling of all is the attempted kidnapping of a strange hospital patient, a man with two hearts, who insists that he knows the Brigadier. The new Doctor soon joins forces with his old friend, UNIT and the recently recruited Dr Liz Shaw, but time is running out as Nestine consciousness is planning to invade Earth... (Originally broadcast in four parts.)
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Project Inferno is designed to drill down to the center of the Earth, where it will release a wonderful new energy source called Stahlman's Gas named after the project's director. But the Doctor realizes that unleashing Stahlman's Gas will have horrible consequences from the planet, fears confirmed when a power surge in the TARDIS console sends him to a hostile parallel universe where the project is nearing completion.
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In the episode that introduces The Master (Roger Delgado) to the Doctor Who mythos, the Nestene Consciousness returns and, with the Master's help, sets in motion a new plan for the conquest of the earth. The Doctor (John Pertwee) and Jo (Katy Manning) must deal with deadly, plastic flowers and plastic automatons to stop their enemies' plot.
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The Time Lords takes control of the TARDIS and the Doctor and Jo arrive on a Earth Colony in the 25th Century, where a ruthless mining company are using a dinosaur-like creature to force the colonists to leave the planet. Where the Doctor and Jo learn that The Master is on the planet and is in search of a doomsday weapon that is hidden somewhere on the planet.
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For 200 years the secret of Devil's End village has lain dormant, as the burial mound, the so-called Devil's Hump, has remained sealed. Until now, at midnight on April 30th on the greatest occult festival of the year, as Professor Horner prepares to break it open. But just what evil treasures lie buried there? Will the local white witch's warnings of doom and destruction be fulfilled? Who or what is the mighty Azal? But even more disturbing for the Doctor and Jo, just how is the Reverend Magister, alias the infamous Master, involved in the mystery?
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The Doctor and Jo arrive on the medieval planet Peladon, where the Doctor is mistaken for the Earth Delegate of the Galactic Federation and Jo is mistaken for a princess. Where the Doctor uncovers a conspiracy, as he exposes the evil scheme of the high-priest Hepesh who bids to prevent King Peladon from joining the galactic Federation.
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The Doctor and Jo arrive on the planet Solos, on a assignment by the Time Lords. Where the Doctor and Jo learn that the native Solonians are mutating into ant-like mutant creatures and they uncover a conspiracy, where the evil Marshal of the Earth Empire plots to rule Solos for himself and plans to convert Solos atmosphere, since the planet's atmosphere is poisonous, so the planet can be colonized by the humans and he plans to wipe out all the mutated Solonians, who are evolving into a advanced super race.
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Time itself is in peril! The three Doctors are united against an old enemy from the distant past of Gallifrey...Vital cosmic energy is draining into a black hole and the Time Lords are under siege. The Doctor is their only hope but, trapped in the TARDIS, he's powerless. The only way out is to break the First Law of Time to let the Doctor help himself - literally...
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The Doctor and Jo discover The Master and the Ogrons are the masterminds behind the Galactic war between the Earth Federation and the Reptillian Draconian Empire and the Master has framed The Doctor and Jo as spies working for the Draconians. Only to discover The Master is also working with the Doctor's greatest enemies, The Daleks, who are also behind the galactic war.
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The TARDIS lands on the jungle planet Spiridon, where the Doctor has fallen into a coma, where The Doctor has requested the Time Lords to pilot the TARDIS, so he and Jo can follow the Daleks to their base. Where Jo learns the Dalek's base has been located on Spiridon where the Daleks are attempting to discover the secrets of Invisibilty and create a bacterial virus in their goal of universal conquest. Where The Doctor, recovered from his coma and Jo are joined by a task-force of Thals and a native Spiridon named Wester, Where they not only set out to stop The Daleks evil plot, they also discover a army of 12,000 Daleks are in suspended animation and are waiting to be revived to begin their universal conquest and claim themselves as the supreme rulers of the galaxy.
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The story opens in medieval England, as a condottieri noble named Irongron and his men feast at their castle. Outside, they see a tremendous flash of light, and discover a spherical meteorite smoking in a crater. Inside is a bizarre man in armor, who introduces himself as Linx, of the Sontaran Empire. He claims the Earth for Sontar, and informs Irongron that his ship has been badly damaged, offering weaponry in exchange for Irongron's help in repairing the ship. Naturally, Irongron, although intrigued by the exotic arms that Linx offers, has no one who can repair such advanced technology, forcing the stranded Linx to try anoter tack. The action soon switches to a top-secret UNIT scientific base, where many of the leading scientific minds in Britain are being sequestered to prevent their disappearance. Among those placing himself in seclusion is the Doctor, attending both by the request of the Brigadier, and out of his own curiosity. He is lodged in a room with two other people: a mousy physicist named Reubish, and a young woman claiming to be the famed virologist Lavinia Smith, In short order, the Doctor ferrets out the truth -- the woman is not Lavinia Smith, but her niece Sarah Jane, an investigative journalist who used her aunt's credentials to sneak into the compound in the hopes that the vanishing scientists would make for a good story. After agreeing to keep her identity a secret, the Doctor gets to work trying to solve the mystery. He deduces that whatever is taking the scientists is using some sort of matter transporter device, and lays a trap by using a special Geiger Counter that detects the particles of the transferral device. From this, and a survey of Reubish's chambers after his own kidnapping, the Doctor uses the TARDIS to follow the particles to their source. Unbeknownst to him, Sarah Jane has already snuck aboard. Arriving in the Medieval period, Sarah Jane leaves the TARDIS, with the Doctor following close behind. After encountering a castle, Sarah Jane is abducted by one of Irongron's guards. Meanwhile, the Doctor follows the particle emissions to their source... Linx. As the episode closes, Linx removes his helmet, revealing a toad-like, misshapen face, like nothing from Earth...
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The Doctor and Sarah returns to present-day Earth, where they find London has been evacuated, and Dinosaurs are on the loose and they are mistaken for looters. Assisting U.N.I.T in the emergency, The Doctor and Sarah discovers corrupt politician Sir Charles Grover MP, renegade scientists Butler and Professor Whitaker and military officer General Finch are using a time machine to bring the dinosaurs from the past to the present as part of they scheme to bring the human race back to a "Golden Age" before the world was polluted.
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As the TARDIS heads to the paradise planet Florana where the Doctor and Sarah go for a holiday, the TARDIS goes off-course and arrives on the barren planet Exxilon, where the TARDIS is loosing power. The Doctor and Sarah finds a group of humans and Daleks are searching for Parrinium, a mineral which is the only antidote to a space plague. Both parties encounter the native people and trouble ensues. In an attempt to find what caused the power-loss, the Doctor, chased by the Daleks, enter the Exxilon's lost city to be able to stop the power draining phenomenon.
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Returning to the medieval planet Peladon (50 years after "The Curse of Peladon") The Doctor and Sarah find King Peladon's daughter Queen Thalira has inherited the throne and the galactic Federation is at war with Galaxy Five and The Federation requires the mineral Trisilicate that will end the war. Only to discover the miners led by the mad rebel Ettis are rebelling and refusing to work, as the ghost of the loyal best Aggedor is frightening and killing off Miners, only to discover the ghost of Aggedor is a holographic projection and the culprits are a task-force of renegade Ice Warriors led by Commander Azaxyr and traitorous federation mining engineer Eckersley who have betrayed the Federation to Galaxy Five.
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m_m_This tells the story of all 6 episodes, and CONTAINS SPOILERSm_m_Sarah is invited by Mike Yates to visit him at a Buddhist meditation centre where he has been staying. A group of people there, led by a man named Lupton, are misusing the meditation rituals in order to make contact with powerful alien forces, which manifest themselves as a giant spider. The spider is an emissary from the ruling council on the planet Metebelis 3, sent to recover the blue crystal that the Doctor previously found there and that has now been returned to him by Jo.The Doctor and Sarah journey to Metebelis 3 and aid its human colonists in an attempt to overthrow the 'eight legs'. They then return to Earth in the TARDIS. The Doctor recognises the meditation centre abbot K'anpo as his former Time Lord guru and, at his prompting, returns to Metebelis 3, where the humans' revolt has ultimately failed. He demands an audience with the Great One - a huge mutated spider revered by the others - and offers her the crystal.The Great One uses it to complete a crystal lattice, which she believes will increase her mental powers to infinity. Instead, the rising power kills her. The other spiders also die as their mountain explodes. K'anpo has meanwhile been killed while protecting Yates from an attack by the spider-controlled residents of the meditation centre, only to be reborn in the form of his assistant Cho-je - his own future self.Some weeks later, the Doctor is brought back to UNIT HQ by the TARDIS, having been fatally affected by the radiation in the Great One's cave. K'anpo appears and, with his help, the Doctor regenerates.
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The Doctor, Sarah and Harry teleports to Earth to ensure the planet is safe for the survivors on-board Nerva Beacon to return to Earth and re-inhabit their world. Only to find a Sontaran named Styre has captured a group of humans and conducting experiments on them to discover the human body's weaknesses, as part of the Sontaran's goal for domination of the galaxy.
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The Time Ring returns The Doctor, Sarah and Harry to Nerva Beacon thousands of years before they left. Where the Doctor, Sarah and Harry find the Beacon's crew have been wiped out by a space plague, only to discover the crew have been murdered by a cybermat and the culprits are the Cybermen and geologist Professor Kellman who bid to wipe out "Voga" a planet of gold, home of the subterranean Vogans who defeated the Cybermen in a war.
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Sutekh the Destroyer, last of the god-like Osirians, seeks escape from centuries of entombment beneath an Earth pyramid, using formidable psyonic energy to animate the corpse of an archaeologist to secure the area around a former priory, killing all humans within while robot mummies build an interplanetary rocket. The Doctor shows Sarah what will happen to Earth if they don't stop him.
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In thwarting Sutekh's bid for freedom, the Doctor gets too close and loses his own, becoming Sutekh's "plaything" for the next century. But Sutekh sees a way of using the Doctor to destroy the power generator on Mars that keeps him paralyzed and entombed on Earth. Then he can finally unleash himself upon the universe, destroying all life, everywhere.
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Everything is fake - an alien training ground staged by Styggron of the Kraals to train android duplicates to quietly invade Earth, substitute themselves, take over, then eradicate the human race without a shot fired. Now if only the Doctor, stranded without his TARDIS, can reach Earth first.
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The Tardis lands on the bleak planet Sarn, in a spaceship graveyard, where The Doctor and Sarah find a evil scientist called Doctor Solon is constructing a new body for the brain of a evil time lord known as Morbius, whom The Doctor thought was executed by the high council on Gallifrey. Where Morbius with his new body plots to rule the galaxy.
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Members of the World Ecology Bureau discover a centuries-old seed pod buried deep in Antarctica's permafrost. It seems to be still alive, growing without soil. They transmit a photo to London where Richard Dunbar of the W.E.B. shares it with the Doctor. Wary of what it might be, the Doctor immediately flies down with Sarah. They don't know that Dunbar is a leak in the bureau and has tipped off the discovery to a rich plant fanatic named Harrison Chase. Chase sends a thug and a plant expert down to verify the discovery and fetch it back by any means possible. But before anyone arrives, the pod hatches and the tendril-like life form within attaches itself to one of the men, turning him green. It's as The Doctor feared: they're dealing with a Krynoid.
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With a killer Krynoid on the loose, the Doctor, Sarah and the last surviving member of the expedition concentrate on hunting it down, unmindful of Chase's men who, once they learn of the second Krynoid pod (which always travel through space in pairs), work to obtain it and eliminate all possible witnesses.
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Surviving two attempts to end their lives, the Doctor and Sarah seek the identity of the plant fanatic who ordered the hit on the arctic base, pursuing their only lead - a commissioned painting of a rare flower left in the boot of a car. Chase, meanwhile, is doing all he can to encourage the hatching of the Krynoid pod.
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Sarah is saved from a Krynoid fate and runs off, but the same can't be said for one of Chase's men. Not only is he simultaneously devoured and transformed, his fascinated employer will do all he can to encourage the process. The Doctor gets introduced to Chase's grinder and compost acceleration chamber, which promises him a painful yet swift death en route to making him one with nature, via the garden's nutrient pump. The situation has finally gone too far for Dunbar, who outs his own involvement in this matter and stands up to Chase, only to come face to face with a fully developed Krynoid.
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In the interest in self-preservation, Chase's men side with The Doctor against the Krynoid, but the Krynoid - now bigger than the Chase Mansion - invites The Doctor to join it, promising to leave the others alone if he does. People within a mile of the Chase Estate, however, start getting strangled by their plants, while Chase, snapping photos of the Krynoid, has a significant one-on-one encounter with it.
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Chase is obviously under Krynoid control. The Doctor suspects possession but, with the mountainous Krynoid nearing maturity and whacking the mansion to pieces, he concerns himself with the bigger picture and orders the mansion - with Sarah and him still inside - to be bombed.
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The President of the High Council of the Time Lords is assassinated, and the Doctor, newly returned to Gallifrey, is the prime suspect. But the Doctor knows someone is framing him, and must rely on the help of the reluctant Castellan Kelner to unveil a traitor in the High Council. Ultimately, the trail leads to the dying, vengeful Master, who wishes to harness the powers of Rassilon's greatest discovery, the mythical Eye of Harmony. But to do so would mean the destruction of Gallifrey, and to prevent this, the Doctor must risk his life in the surreal landscape of the Matrix
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On a nameless planet in the far future where invisible monsters prowl, the Doctor befriends a warrior woman named Leela, recently banished from her tribe, the Sevateem. She and everyone recognize the Doctor immediately. He is the Evil One who, in their mythology, holds their god Xoanon prisoner and must be destroyed.
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The Doctor and Leela encounter the placid and mind-powerful Tesh, the complete opposite of the savage Saveteem. They recognize the Doctor, too, but to them he is Lord; however, when it becomes evident the Doctor threatens their living god, Xoanon, the Doctor becomes a marked man.
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As the Saveteem and Tesh finally close in for a fight to the death, the powerful but long-suffering Xoanon ignores their strife to commit its full resources toward killing the Doctor, even to the extent of destroying everyone.
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The TARDIS materialize aboard a sandminer, a mining ship on a desert planet run by a robot labor force headed by a fairly small but sniping human crew. As one crewman is discovered strangled to death, the Doctor and Leela arrive just in time to become the prime suspects.
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As the strangulations continue and the humans aren't sure who to blame, Leela meets up with an anomaly among the robot crew - an inquisitive, supposedly mute single-function labor robot capable of independent reasoning. Meanwhile the Doctor starts looking into the possibility that the murderer is a robot, and another crew member is targeted for death.
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Hearing about a man who grew up only around robots and who has threatened to start a robot revolution, and who may be aboard the sandminer under an assumed name, the Doctor takes D.84 to seek out a possible secret workshop where he would be restructuring robot programming. Meanwhile, as one crew member suffers a complete mental breakdown, reprogrammed robots are ordered to kill all remaining humans.
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With secrecy no longer necessary for the robot revolution, Controller Taren Capel shuts down all friendly robots and gives the remaining humans an ultimatum, or else their deaths will be slow and painful. With no conventional weaponry aboard their commercial vessel, the humans do what they can to resist while giving the Doctor time to work out a permanent solution.
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In Victorian London, the Doctor and Leela are on their way to a performance by Chinese magician Li H'Sen Chiang when they come across a gang carrying away a body. At the police station, they learn that young girls have been going missing. They also meet the magician who has come to free one of his men. The man bears a tattoo of the a black scorpion, one of the greatest criminal organizations of all time. When the Doctor finds a tuft of rat hair on the dead man, he and Leela explore the sewers. At the theater, the doorman Casey and the manager Jago see what is going on in the cellar.
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It becomes more and more evident that the Palace Theatre, where Chang runs his magic act, is at the heart of the missing girls mystery, of murder, and of genetic disruptions. While Chang and the Tongs edge closer to the end of their master's long search through London, the Doctor discovers an elusive yet dangerous phantom skulking about the concert hall.
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Escaping Mr Sin's attack, Leela follows him & Chang back to their lair under the Palace theater, the Doctor and Litefoot in hot pursuit. After attacking Weng-Chiang, she finds herself back in the sewer being chased by the vicious giant rat.
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The Doctor rescues Leela from the giant rat in the sewer and he realizes that Weng-Chiang does not have the molecular key to open Professor Litefoot's cabinet. The Doctor and Leela go to the theater to take in Li H'Sen Chang's magic show and the Doctor becomes part of Chang's act. Someone dies in the process.
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Weng-Chiang has stolen Professor Litefoot's cabinet but is not pleased when his men leave the key behind and later cannot find it. Leela and the Doctor go off to find the missing key while Jago and the professor follow Weng-Chiang's men and find themselves in the den of the scorpion.
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Weng-Chiang confronts the Doctor who refuses to give him the molecular key unless Jago and Professor Litefoot are freed. They return to Weng-Chiang's lair where an exchange is made and Weng-Chiang confirms that the time travel cabinet is still in working order. As the Chinese time traveler tries to make his escape, the Doctor and the others must face Mr. Sin and the power of the dragon.
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In Victorian times, the Doctor and Leela arrive on Fang Rock, an isolated crag where something starts killing the local lighthouse keepers. Simple, dark and very atmospheric drama, perhaps inspired by fanciful stories which followed the tragic loss of three lighthouse workers in 1900, on Eilean Mor in the remote Flannan Isles of Northwest Scotland.
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With inexplicable electrical problems keeping the lighthouse from maintaining a steady beam, a foolhardy ship crashes against the island rocks. Four shaken and discontent survivors join the people inside where the Doctor surmises they're all being carefully scrutinized, a prelude to an attack.
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A death scream is heard, yet all are accounted for. Eventually the Doctor finds a body stashed away but hours old, with rigor mortis already settling in, which means there's a chameleon in their midst. Completely cut off from the rest of the world and with an escalating body count, the Doctor wonders just what, exactly, he's locked inside the lighthouse with them all.
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"Contact has been made!" A relief crew en route to Titan in 5000 AD unwarily pick up hitchhikers that change them. Shortly thereafter the Doctor, passing through the same point in space, is hitchhiked as well, but not Leela - a reject who must die.
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The Tardis lands on Pluto in the far future. Instead of being a lifeless rock, there's scented air, massive buildings, six suns, a human population subjugated by crippling taxes from a government called "The Company," and a man about to commit suicide.
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Captured by the authorities, the Doctor finds himself restrained in a Correction Centre where he's to be prepped for painful shock treatments, making him unable to return within a given time frame to the underground rebels holding Leela, who are prepared to kill her as promised.
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Attempting to start a successful revolution, the Doctor uses Pluto's Public Address System to announce successful revolution, all the while trying to determine the Collector's true species and why he, or it, seems set on taxing the life out of humans.
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Materializing at the edge of the cosmos, the frontier of creation, The Doctor, Leela & K-9 encounter four ancient space travelers from Minyos, the first race ever contacted by the Time Lords. All but extinct due to their Time Lords encounter, the Minyans (rejuvenated 1000 times each) have been embarked on a long 100,000 year old quest, searching the universe for the lost race bank of their species to take to a new home world. But their equally old ship is finally failing, succumbing to the gravitational pull of a newly forming sun and taking the Doctor and his party with it.
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Crashing inside a newly formed planet, the Doctor and others find it inhabited by a slave labor mining society, where rocks are harvested for their radioactive energy and human life has little value. With a population controlled by deliberate cave-ins, poison gas, and periodic sacrifices to an Oracle, the miners, called Trogs, are also descendants from Minyos, and who desperately desire freedom.
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With the Trog revolt close to success, the Oracle grants the Minyos travelers what they seek (the long lost race bank) in hopes they'll depart peacefully and straight away, but the Doctor suspects it's not all going to be as amicable as that. And what to do about the Trogs?
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The Doctor returns to Gallifrey to become the President of the high council of time lords. But Leela finds the Doctor is acting out of character and she is proved correct, when it is revealed that the Doctor has betrayed his own people and is working for Invisible aliens known as the Vardans who have taken control of the citadel and The Doctor has banished members of the high council and Leela to the wasteland outside the Citadel. But the Doctor has his own agenda, he is planning to thwart the Vardans scheme and time-loop their planet. But what the Doctor doesn't know, is that the Vardans are working for the Sontarans who are the real masterminds and are preparing to invade Gallifrey.
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The Doctor is chosen for a quest by The White Guardian to go in search for the six segments to the Key to Time, that have been scattered and sent throughout the time/space continuum. With the Key to Time, The White Guardian will restore balance to the universe. Joined by a young time lady named Romana, The Doctor, Romana and K-9 Mark 2 begin their quest and arrive at their first destination, The medieval Russian like world Ribos, where a conman named Garron bids to sell Ribos to a exiled tyrant known as Graff Vynda K, where Unstoffe, Garron's assistant uncovers Garron's scheme and is unaware he is in possession of the first segment of the Key to Time.
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Continuing their quest in search of the Keys to Time. The Doctor, Romana and K-9 travel to the cold planet "Calufrax" in search of the second segment to the Key to Time. But the TARDIS accidentally lands on the planet Zanak, which is ruled by the robotic space pirate The Captain. Only to discover Zanak can travel across the galaxy and nobody on Zanak, isn't who they appear to be.
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On Earth to collect the third segment to the Key to Time, the Doctor and Romana encounter modern day druids in Cornwall making blood sacrifices to Cailleach, the goddess of war and magic, at a megalithic circle known as The Nine Travelers. The Tracer says the third segment is there, then says it isn't, which is very odd.
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The Doctor and Romana's lives have already been imperiled. Now megalithic creatures from planet Ogros begin to attack under the directives of a mysterious master. Investigating the history of the area, Romana notices that for centuries only women have owned the land and nearby manor and wonders if there's any significance to this.
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When Romana goes fishing for the fourth segment to the Key to Time, the Doctor just goes fishing. While on the planet of Tara, both are taken in (somewhat against their will) by two factions, both trying to achieve the throne of Tara. While Romana is mistaken for an android by Count Grendel, the Doctor and the Prince are drugged after the Doctor agrees to help repair his android.
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Discovering that they've all been drugged, the Doctor tries to escape and passes out just as he opens the door, envisioning the evil Count Grendel as he loses consciousness. When he awakes, he is, once again, at the tip of a blade, and his life threatened by those who believe he is behind all of it, while the Count has kidnapped Prince Reynart. Meanwhile, back at Count Grendel's castle, Romana finds herself an exact double for Princess Strella, whom the Count plans to marry once he ascends to the throne so he can claim her land for his own (once he kills her, too).
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The Doctor kills the android princess, Count Grendel finds his plans foiled and can not find an opening to kill the new king (especially since the King's head bodyguard now suspects him of treachery against the King). So he offers Romana up in exchange to the Doctor for his own safety. But the Count has built another android programmed to kill the Doctor once it hears the Doctor's voice. Meanwhile, the real Romana escapes Grendel's castle and tries to ride for help.
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The Count has offered the throne to the Doctor, just before killing the android King and riding off with the, once again, captured Romana, all under a flag of truce. As the Doctor and K-9 plan a rescue effort for Romana and the King, Count Grendel plans to marry Romana to the King, kill the King, marry Romana, then kill her, as well, inheriting all of the King's land and powers...
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The TARDIS arrives at it's next destination, the marsh planet "Delta Magna". Where the Doctor and Romana goes in search of the fifth segment to the Key to Time. Where they discover the native tribal Swampies worships Kroll, a gigantic squid as a god, only to find Kroll has accidentally swallowed the fifth segment and Romana is chosen by the Swampies for sacrifice and The Doctor sets out to save a local refinery from being attacked by Kroll.
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The Doctor and company drop in on the planet Atrios, whose inhabitants are in an interplanetary war with their twin planet Zeos. Although Astra, Princess of Atrios, wishes for peace, the Marshal, her commander of the military, does not share her views. So, while the TARDIS is in orbit around the planet, the Marshal targets the Doctor for destruction.
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In an effort to escape the Marshal, the Doctor finds the TARDIS buried under rubble, and figures that he may have stumbled across the missing princess, who has now been abducted by someone else. But he does find a new ally in her love, who believes that the Doctor did not have anything to do with her disappearance.
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The Shadow, with time on his side, waits for circumstances to force the Doctor into opening his TARDIS, helped along by fitting a mind control device on Princess Astra to turn her against her allies. Meanwhile, Mentalis, the war computer, means to have its final say in dealing with Atrios.
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The Shadow, now with control of K-9, awaits the arrival of the Doctor and company in the cave where he took control of the princess. Meanwhile, Princess Astra joins Romana and the Doctor in the TARDIS, where he had locked the Marshal in a continual time loop just before attacking Astrios. Returning to the cave where Princess Astra was held captive, K-9 pursues the Doctor, while Astra captures Romana.
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The Doctor, having met another Time Lord named Drax in the caves, teams up with him to try and defeat the Shadow, but Drax shrinks him instead of his Mute captor then turns the shrinking ray on himself, allowing the Shadow to claim the Key to Time. Meanwhile, everyone finds out that Princess Astra, herself, is the sixth and final segment of the Key to Time. And once it is assembled, nothing stands between the Shadow and absolute power of the Universe...except the Doctor!
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To break the centuries-old stalemate in their war, the Movellans need the Doctor, as do the Daleks Davros. The solution is simple, but neither side can see it, nor would the Doctor upset this perfect and unplanned peace they've achieved. Davros, though, is another matter.
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As time slips a groove, the Doctor and Romana relive twenty-four seconds while on holiday in Paris. The second time it occurs the Doctor spots a woman using advanced, alien technology at the Louvre to study the security system guarding the Mona Lisa, but it's the Doctor who falls under suspicion of being a clever and masterful international art forger.
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As the very well-mannered but callous Count Scarlioni rehearses his forthcoming heist of the Mona Lisa, the Doctor, Romana and Det. Duggan explore his basement, discovering a time travel laboratory and an entombed set of six inexplicably authentic copies of the Mona Lisa.
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Pursuing the mystery of the multiple, authentic Mona Lisa's back to Leonardo de Vinci's workshop in 1505 Florence, the Doctor meets Captain Tancredi - the very same man he's met as Count Scarlioni in 1979 Paris. Politely but firmly invited to tarry, via a set of thumbscrews, the Doctor can't help but answer a few of the gracious Captain's most urgent questions.
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Scaroth, the last of the Jagaroth, forces Romana to build a field interface stabilizer for his time machine. Romana reluctantly does so, not knowing that the full extent her action will lead to the total non-existence of all life on Earth. Humans will never have existed.
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Answering a distress call, the TARDIS lands on Chloris, a planet choked with abundant vegetation. Discovering a gigantic, fragmented eggshell that's the source of the call, the Doctor and Romana also find themselves under arrest for tramping about in a zone marked for death. Before they can be brought before Lady Adrasta, the matriarchal ruler, for questioning and ceremonious execution, a roving ban of metal-scavenging bandits attack and run off with Romana.
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With the Doctor down in the execution pit and presumed dead, the cruel Lady Adrasta threatens Romana in order to gain obedience from K-9 and use his blast ray in a hunting party against the globular alien creature lurking about in her mine tunnels, with additional designs on using the TARDIS to maintain her planetary monopoly on metal. Meanwhile the Doctor, alive, discovers Organon the Astrologer living down in the pit, having managed to avoid death by the strange, house-size alien creature that roams around down there, too.
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Trapped face to featureless face with the alien creature, the Doctor tries his best to communicate with it. Meanwhile, as Adrasta's group tries to break through metallic bio-blockage created by the creature, bandits raid her palace for every scrap of metal they can find, including an alien shield that harbors powers no one suspects.
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Full revelation of Adrasta's wicked acts in maintaining her planetary monopoly on metal brings her reign to an end, but the victimized alien creature holds a secret: massive interstellar retribution for her crimes is headed their way, with doom for all, including those whose current short-sighted actions undermine the Doctor's efforts to save the planet in order to become new leaders of the old metal monopoly.
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A cruise ship loaded with passengers to the planet Azure collides with a trade ship as it comes out of warp, leaving the two ships merged but unstable. The Doctor, Romana and K-9 arrive to help out but discover there's also a problem with unidentified smugglers running a cargo of vraxoin, a forbidden organic drug that's as highly addictive as it is fatal. It instills the user with warm complacency and total apathy - the very qualities currently displayed by the cruise ship's bemused co-pilot.
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The unstable interphase of the two ships opens up unexpected passageways for dangerous monsters caged in an electronic zoo aboard the cruise ship to escape. Meanwhile, as an attempt is made to hook Romana on vraxoin, the Doctor discovers a mystery man aboard ship to whom he gives chase.
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Hiding out from arresting authorities in the electronic zoo's inhospitable Eden exhibit, the Doctor and Romana discover a man reported dead. Meanwhile, the monsters, called mandrels, start attacking and killing passengers, much to the amusement of the ship's captain.
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After succeeding in separating the two merged ships, the Doctor discovers the identities of the drug runners. He, Romana and K-9 endeavor to catch them cleverly while also avoiding both the excise men wanting to shoot them and the marauding mandrels just wanting to kill anyone in sight.
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After colliding with a spaceship, The Doctor, Romana and K-9 learn young natives from a peaceful planet called Aneth are being transported into a great labyrinth called "The Power Complex" where the evil bull-like Nimon demands that all his victims who enter The Power Complex are sacrificed so The Nimon can return to the Skonnan Empire back to glory. When Romana is taken captive and also chosen for sacrifice, The Doctor and K-9 travel to the heart of the maze as they set out to rescue Romana and foil The Nimon's evil plan to enslave the universe.
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Argolos, a war-ravaged and radiation-poisoned planet, has survived by becoming both an indoor recreation resort and a focal point for interplanetary understanding. However, bookings are down, and someone has recently sabotaged the tachyon generator that produces the main recreational activities, causing a horrific death to one of the tourists. With no identity cards on them, the Doctor and Romana fall under suspicion, but there's a third intruder whom no one's yet discovered.
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Another man is found dead, strangled by the Doctor's scarf, so the Doctor is put on trial. By some of the archaic rules of law, he's made to "prove" his innocence by becoming a test subject in a new tachyon experiment with time. The result will prove his innocence or guilt, so they say.
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The Doctor, Romana and K-9 arrive on the forest planet Tygella, where the native Tygellans now live in a underground city, due to the carnivorous plants. Where the Doctor finds he has been wrongly accused of stealing the Dodechedron, the city's power source. Only to discover the culprit is Meglos, the cactus-like last survivor of the desert planet Zolfa-Thura and he bids to return the Dodechedron to Zolfa-Thura for his own evil purpose and plans to use it as a powerful weapon and he plans to wipe out Tigella.
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With the TARDIS occupants trapped in a chronic histeratic loop (forever reliving the same moment in time), the devious Meglos - disguised as the Doctor - gains the trust of the Tigellans along with full and private access to their power chamber.
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With the dodecahedron gone, the city goes power critical. Its death, imminent. With Romana seeking escape from Meglos' pirates, and Meglos seeking escape from the sealed-up city, and the Doctor himself seeking to understand what's been going on (and why everybody wants him arrested), religious factions move in to take over the city.
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In answer to a summons from the Time Lords, the Doctor heads the TARDIS for Gallifrey where he must return Romana, but having tasted adventure and seen foreign worlds, she's none too happy about the return. Their journey, however, is interrupted by a rare space/time phenomena that lands them - not on Gallifrey - but on Alzarius. There, humanoid inhabitants begin to encounter an infrequent but regular cycle of perilous weather, called Mistfall, that coincides with the emergence of dangerous creatures.
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As the humanoid community takes refuge in their crashed spaceship, venomous marsh spiders begin to hatch from the local fruit while bestial marshmen emerge from the waters to walk the land. It is quite apparent that the marshmen desire entry into the spaceship. Meanwhile, as a curious marshchild shadows the Doctor, a group of teen rebels decides to take over the TARDIS.
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Infection from a spider bite causes Romana's personality to change. Meanwhile the Doctor, after discovering that the spaceship society is in a perpetual state of repair and upgrade, has morality issues with the ship's leading scientist who readies himself to perform gruesome experiments on the live marshchild while it's fully conscious.
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Marshmen invade the Terradonian ship thanks to Romana, who seems to be in communion with them. While the ship's inhabitants flee for their lives, the Doctor discovers a crucial fact why these humanoids can never return to the planet Terradon.
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