1. Spearhead from Space: Episode 1
Aired: Jan 3, 1970 As the newly regenerated Doctor arrives on Earth, so does the Nestene.
2. Spearhead from Space: Episode 2
Aired: Jan 10, 1970 UNIT's attempts to locate the meteorites are hampered by the mysterious plast...
3. Spearhead from Space: Episode 3
Aired: Jan 17, 1970 Ransome manages to escape from the plastics factory and alert UNIT, prompting...
4. Spearhead from Space: Episode 4
Aired: Jan 24, 1970 With UNIT's investigation being blocked by the Replica of Scobie, the Doctor ...
5. Doctor Who and the Silurians: Episode 1
Aired: Jan 31, 1970 The Doctor and Liz are summoned to the Wenley Moor Research Centre by the Bri...
6. Doctor Who and the Silurians: Episode 2
Aired: Feb 7, 1970 The Doctor attempts to convince people there are monsters in the caves, promp...
7. Doctor Who and the Silurians: Episode 3
Aired: Feb 14, 1970 The Silurians contact Quinn for help in retrieving their fellow while the Doc...
8. Doctor Who and the Silurians: Episode 4
Aired: Feb 21, 1970 With Quinn dead, the Brigadier decides to take an armed party into the caves,...
9. Doctor Who and the Silurians: Episode 5
Aired: Feb 28, 1970 Worried about the Old Silurian's growing friendship with the Doctor, the Youn...
10. Doctor Who and the Silurians: Episode 6
Aired: Mar 7, 1970 While the Doctor and Liz try to find a cure to the virus spread by Baker, the...
11. Doctor Who and the Silurians: Episode 7
Aired: Mar 14, 1970 While Liz distributes the cure to the virus, the Doctor discovers the Siluria...
12. The Ambassadors of Death: Episode 1
Aired: Mar 21, 1970 While the Brigadier investigates a loss of contact with Mars Probe 7, the Doc...
13. The Ambassadors of Death: Episode 2
Aired: Mar 28, 1970 UNIT retrieve the returned Recovery 7 but then Carrington hijacks it while th...
14. The Ambassadors of Death: Episode 3
Aired: Apr 4, 1970 Carrington is holding the astronauts at a secret location but when he takes t...
15. The Ambassadors of Death: Episode 4
Aired: Apr 11, 1970 Liz has been captured by Reegan's men and the Doctor begins to suspect Taltal...
16. The Ambassadors of Death: Episode 5
Aired: Apr 18, 1970 The Doctor decides to take Recovery 7 back into space to search for the missi...
17. The Ambassadors of Death: Episode 6
Aired: Apr 25, 1970 The Doctor speaks with the alien captain and learns the astronauts sent to Ea...
18. The Ambassadors of Death: Episode 7
Aired: May 2, 1970 Carrington is planning to expose the aliens on live television and call for a...
19. Inferno: Episode 1
Aired: May 9, 1970 The Doctor and UNIT investigate strange happenings at a top secret government...
20. Inferno: Episode 2
Aired: May 16, 1970 The Doctor begins to suspect that penetrating the earth's crust will create m...
21. Inferno: Episode 3
Aired: May 23, 1970 The Doctor finds himself in a parallel universe where Britain is a dictatorsh...
22. Inferno: Episode 4
Aired: May 30, 1970 The Doctor attempts to convince the alternate Inferno staff that penetrating ...
23. Inferno: Episode 5
Aired: Jun 6, 1970 The earth's crust has been penetrated and, while the Doctor and Greg try to c...
24. Inferno: Episode 6
Aired: Jun 13, 1970 With the parallel earth doomed, the Doctor asks his friends' counterparts to ...
25. Inferno: Episode 7
Aired: Jun 20, 1970 The Doctor is back in his own universe and must stop Stahlman before his eart...
