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The Invisible Enemy: Part 1
An alien virus infects the human crew of a refuelling station on Titan, one of the moons of Saturn. The Doctor is also infected and becomes possessed by the will of the Nucleus.
Last on
Thu 13 Jul 1978
19:00
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The Invisible Enemy: Part 1
Duration: 01:16
Broadcasts
- Sat 1 Oct 1977 18:20
- Thu 13 Jul 1978 19:00
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