The Doctor and Sarah answer a distress call and find themselves on Zeta Minor, the last planet of the known universe, where a Morestran expedition has gone missing.
1. Terror of the Zygons: Part One
Aired: Aug 30, 1975The Doctor, Sarah and Harry return to Earth in response to an emergency space...
2. Terror of the Zygons: Part Two
Aired: Sep 6, 1975The Zygon traps the Doctor and Sarah in a decompression chamber while Harry i...
3. Terror of the Zygons: Part Three
Aired: Sep 13, 1975The Doctor and the Brigadier begin to realise who the Zygon imposters among t...
4. Terror of the Zygons: Part Four
Aired: Sep 20, 1975UNIT attempt to track down the Zygon ship while Broton prepares to have the S...
Aired: Sep 27, 1975The Doctor and Sarah answer a distress call and find themselves on Zeta Minor...
Aired: Oct 4, 1975The Doctor realises that Zeta Minor lies on the boundary between the universe...
Aired: Oct 11, 1975The Doctor makes a deal with the Anti-Matter Beast to return all the anti-mat...
Aired: Oct 18, 1975The Doctor tries to convince Sorenson to sacrifice himself for the rest of th...
Aired: Oct 25, 1975The Doctor and Sarah are drawn off course and, instead of UNIT HQ, they arriv...
10. Pyramids of Mars: Part Two
Aired: Nov 1, 1975The Doctor, Sarah and Laurence try to find a way to sever Sutekh's link to th...
11. Pyramids of Mars: Part Three
Aired: Nov 8, 1975The Doctor and Sarah try to destroy Sutekh's rocket but the Osiran's mental p...
12. Pyramids of Mars: Part Four
Aired: Nov 15, 1975Sutekh forces the Doctor to transport Scarman and a mummy to Mars, where the ...
13. The Android Invasion: Part One
Aired: Nov 22, 1975The Doctor and Sarah return to Earth in the present day to find a strangely d...
14. The Android Invasion: Part Two
Aired: Nov 29, 1975The Doctor suspects Crayford brought something to Earth in his rocket, as he ...
15. The Android Invasion: Part Three
Aired: Dec 6, 1975The Doctor is captured by Styggron and left to die in the destruction of the ...
16. The Android Invasion: Part Four
Aired: Dec 13, 1975The Doctor and Sarah reach Earth and try to warn the research centre about th...
17. The Brain of Morbius: Part One
Aired: Jan 3, 1976The Tardis lands in a spaceship graveyard on the bleak planet Karn, where The...
18. The Brain of Morbius: Part Two
Aired: Jan 10, 1976The Sisterhood prepare to sacrifice the Doctor to the Sacred Flame and Sarah ...
19. The Brain of Morbius: Part Three
Aired: Jan 17, 1976The Doctor attempts to restore the Sacred Flame to prove his good intentions ...
20. The Brain of Morbius: Part Four
Aired: Jan 24, 1976Morbius goes on the rampage, forcing the Doctor and Solon to team up to try a...
21. The Seeds of Doom: Part One
Aired: Jan 31, 1976Members of the World Ecology Bureau discover a centuries-old seed pod buried ...
22. The Seeds of Doom: Part Two
Aired: Feb 7, 1976With a killer Krynoid on the loose, the Doctor, Sarah and the last surviving ...
23. The Seeds of Doom: Part Three
Aired: Feb 14, 1976Surviving two attempts to end their lives, the Doctor and Sarah seek the iden...
24. The Seeds of Doom: Part Four
Aired: Feb 21, 1976Sarah is saved from a Krynoid fate and runs off, but the same can't be said f...
25. The Seeds of Doom: Part Five
Aired: Feb 28, 1976In the interest in self-preservation, Chase's men side with The Doctor agains...
26. The Seeds of Doom: Part Six
Aired: Mar 6, 1976Chase is obviously under Krynoid control. The Doctor suspects possession but,...
Streaming in:
Main Cast
Guest Staring
Current Status: Ended
Network: BBC One
Production Country: United Kingdom
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