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Classic Doctor Who

The Fourth Doctor: Tom Baker. In a six-story quest, the Doctor is ordered to find the six segments of the Key to Time before the cosmos is plunged into chaos.
197926 episodes
TV-G
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Episodes

  1. S16 E1 - The Ribos Operation: Part 1
    September 1, 1978
    25min
    TV-G
    On a mission to collect the six segments of the Key to Time, the Doctor and Romana travel to the planet Ribos where the first segment is protected by the monstrous Shrivenzale.
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  2. S16 E2 - The Ribos Operation: Part 2
    September 8, 1978
    25min
    7+
    Garron is attempting to trick the Graff Vynda-K into buying the planet Ribos, but the jethrik that is vital to his plan is really the first segment of the Key to Time.
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  3. S16 E3 - The Ribos Operation: Part 3
    September 15, 1978
    25min
    TV-G
    The Doctor and Romana's search for the first segment of the Key to Time is hampered when the Graff Vynda-K takes them prisoner.
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  4. S16 E4 - The Ribos Operation: Part 4
    September 22, 1978
    25min
    TV-G
    Pursued into the catacombs by the Graff and attacked by the ferocious Shrivenzale, the Doctor and Romana struggle to stay alive and find the first segment of the Key to Time.
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  5. S16 E5 - The Pirate Planet: Part 1
    September 29, 1978
    25min
    TV-G
    In search of the second segment of the Key to Time, the Doctor and Romana travel to the planet Calufrax. But they find that a completely different planet has taken its place.
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  6. S16 E6 - The Pirate Planet: Part 2
    October 6, 1978
    26min
    7+
    Still in search of the missing planet, Calufrax, the Doctor and Romana encounter the telepathic Mentiads and Zanak’s ruler, the half man, half robot Captain.
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  7. S16 E7 - The Pirate Planet: Part 3
    October 13, 1978
    26min
    TV-G
    The Doctor has discovered the sinister truth about Zanak and solved the mystery of the missing planet. On the Bridge, the Doctor meets the real ruler of Zanak.
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  8. S16 E8 - The Pirate Planet: Part 4
    October 20, 1978
    25min
    TV-G
    The Doctor and Romana join forces with the Mentiads to prevent the Captain and Xanxia from using Zanak to consume the Earth.
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  9. S16 E9 - The Stones of Blood: Part 1
    October 27, 1978
    24min
    TV-G
    The Doctor and Romana track the third segment of the Key to Time to the vicinity of an ancient stone circle on Earth. But sinister forces are at work and the stones hide a secret.
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  10. S16 E10 - The Stones of Blood: Part 2
    November 3, 1978
    24min
    TV-G
    The leaders of a druidic cult have been killed and it seems that the stones from the stone circle are alive and have a taste for human blood.
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  11. S16 E11 - The Stones of Blood: Part 3
    November 10, 1978
    24min
    TV-G
    As the blood hungry Ogri close in, the Doctor launches a desperate attempt to rescue Romana from hyperspace.
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  12. S16 E12 - The Stones of Blood: Part 4
    November 17, 1978
    23min
    TV-G
    The Doctor releases two alien justice machines from imprisonment who sentenc him to death. Meanwhile Romana urgently searches for clues that will reveal Vivien Fay’s true identity.
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  13. S16 E13 - The Androids of Tara: Part 1
    November 24, 1978
    25min
    TV-G
    Arriving on Tara, Romana locates the fourth segment of the Key to Time with ease, but is captured by the scheming Count Grendel who wants the throne of Tara for himself.
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  14. S16 E14 - The Androids of Tara: Part 2
    December 1, 1978
    24min
    TV-G
    Grendel kidnaps Prince Reynart and seems set to be chosen as Tara’s monarch when Reynart fails to arrive at his coronation. But the Doctor has a plan to scupper the Count’s scheme.
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  15. S16 E15 - The Androids of Tara: Part 3
    December 8, 1978
    24min
    TV-G
    While Romana makes her escape from the castle, the Doctor is lured to a meeting with an android duplicate of her that is programmed to kill him.
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  16. S16 E16 - The Androids of Tara: Part 4
    December 15, 1978
    25min
    TV-G
    The Doctor attempts to gain entry to the castle to prevent the marriage of Romana to Prince Reynart and thwart Grendal’s plans to rule Tara.
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  17. S16 E17 - The Power of Kroll: Part 1
    December 22, 1978
    23min
    TV-G
    Tracing the fifth segment of the Key to Time to the third moon of Delta Magna, the Doctor and Romana are soon caught up in the conflict between humans and the Swampies.
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  18. S16 E18 - The Power of Kroll: Part 2
    December 29, 1978
    24min
    TV-G
    The Doctor arrives in time to save Romana from being sacrificed to the bogus god, Kroll. But it’s not long before the very real Kroll makes its terrifying appearance.
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  19. S16 E19 - The Power of Kroll: Part 3
    January 5, 1979
    22min
    TV-G
    With the giant, squid-like Kroll awake and angry, the Swampies are eager to appease their god by using the Doctor and Romana as sacrificial victims.
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  20. S16 E20 - The Power of Kroll: Part 4
    January 12, 1979
    22min
    TV-G
    With Kroll on the rampage, the Doctor and Romana are appalled to discover that Thawn intends to fire a rocket at the creature which will also kill the Swampies.
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  21. S16 E21 - The Armageddon Factor: Part 1
    January 19, 1979
    25min
    TV-G
    Looking for the final segment of the Key to Time, the Doctor and Romana arrive on the planet Atrios which is at war with the neighbouring world of Zeos.
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  22. S16 E22 - The Armageddon Factor: Part 2
    January 26, 1979
    24min
    TV-G
    The Marshal demands that the Doctor devise the ultimate deterrent against the attacking Zeons. But the Doctor and Romana begin to suspect that the Marshal is being manipulated.
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  23. S16 E23 - The Armageddon Factor: Part 3
    February 2, 1979
    25min
    TV-G
    Journeying to Zeos by transmat, the Doctor finds that it is an empty world. As the Marshal prepares to launch his final attack, the Doctor meets the commander of Zeos’s forces.
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  24. S16 E24 - The Armageddon Factor: Part 4
    February 9, 1979
    25min
    TV-G
    With the Marshal poised to fire upon Zeos and the Mentalis computer on a countdown to destruction, the Doctor resorts to desperate measures to prevent a cataclysm.
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  25. S16 E25 - The Armageddon Factor: Part 5
    February 16, 1979
    25min
    TV-G
    The Doctor and Romana arrive in the lair of the Shadow, servant of the Black Guardian who also seeks the Key to Time.
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BritBox
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