Doctor Who (1963)
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John Scott Martin as Nucleus
Episodes 2
The Invisible Enemy (3)
October 15, 1977
• 25m
15x7
Miniaturised clones of the Doctor and Leela are injected into his brain. But they must now fight the virus on its own level. And its servants are closing in around them.
Read MoreThe Invisible Enemy (4)
October 22, 1977
• 25m
15x8
The Nucleus, now grown to human size, is determined to spawn and take over the Galaxy. Only the Doctor and Leela can stop it.
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