Doctor Who · SEASON 1
The Sea of Death
Episode 21 · 1964-04-11

- Drama
- Action & Adventure
- Sci-Fi & Fantasy
Episode overview
The alien world of Marinus. Perfect peace has reigned here for decades due to the mind-controlling influence of a machine known as the Conscience. But now a race known as the Voord have developed an immunity and Arbitan, keeper of the machine, has been forced to scatter the vital control keys around the planet. Now he needs the help of the time travellers to get them back - it will be an extraordinary journey, with perils every step of the way...
24 minutes
Season 1 episodes
1. An Unearthly Child1963-11-23
2. The Cave of Skulls1963-11-30
3. The Forest of Fear1963-12-07
4. The Firemaker1963-12-14
5. The Dead Planet1963-12-21
6. The Survivors1963-12-28
7. The Escape1964-01-04
8. The Ambush1964-01-11
9. The Expedition1964-01-18
10. The Ordeal1964-01-25
11. The Rescue1964-02-01
12. The Edge of Destruction1964-02-08
13. The Brink of Disaster1964-02-15
14. The Roof of the World1964-02-22
15. The Singing Sands1964-02-29
16. Five Hundred Eyes1964-03-07
17. The Wall of Lies1964-03-14
18. Rider from Shang Tu1964-03-21
19. Mighty Kublai Khan1964-03-28
20. Assassin at Peking1964-04-04
21. The Sea of Death1964-04-11
22. The Velvet Web1964-04-18
23. The Screaming Jungle1964-04-25
24. The Snows of Terror1964-05-02
25. Sentence of Death1964-05-09
26. The Keys of Marinus1964-05-16
27. The Temple of Evil1964-05-23
28. The Warriors of Death1964-05-30
29. The Bride of Sacrifice1964-06-06
30. The Day of Darkness1964-06-13
31. Strangers in Space1964-06-20
32. The Unwilling Warriors1964-06-27
33. Hidden Danger1964-07-11
34. A Race Against Death1964-07-18
35. Kidnap1964-07-25
36. A Desperate Venture1964-08-01
37. A Land of Fear1964-08-08
38. Guests of Madame Guillotine1964-08-15
39. A Change of Identity1964-08-22
40. The Tyrant of France1964-08-29
41. A Bargain of Necessity1964-09-05
42. Prisoners of Conciergerie1964-09-12