Doctor Who (1963)
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Valentine Dyall as The Guardian
Episodes 1
The Armageddon Factor (6)
Season Finale
February 24, 1979
• 25m
16x26
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.
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