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Season 16 Episode 26
Doctor Who (1963)
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Season 16 Episode 26
The Armageddon Factor (6)
Feb 24, 1979 on BBC One at 5:15 PM
Summary
The Doctor and the Shadow have their final confrontation to take control of the Key to Time. Completing it may entail an awful sacrifice. And the Black Guardian will do anything to obtain it and plunge the Universe into chaos.
