1. Horror of Fang Rock: Part One
Aired: Sep 3, 1977 The TARDIS lands near an isolated rocky island lighthouse just after a comet ...
2. Horror of Fang Rock: Part Two
Aired: Sep 10, 1977 With inexplicable electrical problems keeping the lighthouse from maintaining...
3. Horror of Fang Rock: Part Three
Aired: Sep 17, 1977 A death scream is heard, yet all are accounted for. Eventually the Doctor fin...
4. Horror of Fang Rock: Part Four
Aired: Sep 24, 1977 With little to fear, and its mother ship about to land and turn Earth into an...
5. The Invisible Enemy: Part One
Aired: Oct 1, 1977 In the year 5000 AD a three-man crew arrive on the planet Titan but unknowing...
6. The Invisible Enemy: Part Two
Aired: Oct 8, 1977 The Doctor draws into himself, fighting the voice in his own head that's tryi...
7. The Invisible Enemy: Part Three
Aired: Oct 15, 1977 The medical center mounts a defense against alien forces trying to take the c...
8. The Invisible Enemy: Part Four
Aired: Oct 22, 1977 In trying to retrieve the clones from inside the Doctor, the alien virus is b...
9. Image of the Fendahl: Part One
Aired: Oct 29, 1977 Archeologists near a reputedly haunted woods use a time scanner to explore th...
10. Image of the Fendahl: Part Two
Aired: Nov 5, 1977 Every time the archaeologists explore the ancient skull, something deadly hun...
11. Image of the Fendahl: Part Three
Aired: Nov 12, 1977 The Doctor endeavors to prevent the re-existence of a Fendahl, a group entity...
12. Image of the Fendahl: Part Four
Aired: Nov 19, 1977 With one of the archaeologists transformed and a massive implosion threatenin...
13. The Sun Makers: Part One
Aired: Nov 26, 1977 The Doctor and Leela land on Pluto in the far future and discover that it's i...
14. The Sun Makers: Part Two
Aired: Dec 3, 1977 Captured by the authorities, the Doctor finds himself restrained in a Correct...
15. The Sun Makers: Part Three
Aired: Dec 10, 1977 The merciless Collector, who runs The Company, issues a bounty on the Doctor ...
16. The Sun Makers: Part Four
Aired: Dec 17, 1977 Attempting to start a successful revolution, the Doctor uses Pluto's Public A...
17. Underworld: Part One
Aired: Jan 7, 1978 Materializing at the edge of the cosmos, the frontier of creation, The Doctor...
18. Underworld: Part Two
Aired: Jan 14, 1978 Crashing inside a newly formed planet, the Doctor and others find it inhabite...
19. Underworld: Part Three
Aired: Jan 21, 1978 Capturing the Doctor and Leela, the citadel guards are quite pleased to have ...
20. Underworld: Part Four
Aired: Jan 28, 1978 With the Trog revolt close to success, the Oracle grants the Minyos travelers...
21. The Invasion of Time: Part One
Aired: Feb 4, 1978 After signing a contract in secret, the Doctor returns to Gallifrey with Leel...
22. The Invasion of Time: Part Two
Aired: Feb 11, 1978 The Doctor orders Leela exiled from the Capitol, then orders K9 to sabotage G...
23. The Invasion of Time: Part Three
Aired: Feb 18, 1978 The Doctor allows the Vardans to occupy Gallifrey while Leela and Rodan head ...
24. The Invasion of Time: Part Four
Aired: Feb 25, 1978 The Doctor convinces Andred to trust him as he works to expel the Vardans, wh...
25. The Invasion of Time: Part Five
Aired: Mar 4, 1978 The Doctor and his friends flee from the Sontarans and the Doctor tries to co...
26. The Invasion of Time: Part Six
Aired: Mar 11, 1978 The Doctor and his friends take refuge in the TARDIS but find themselves purs...
