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The Invisible Enemy: Part One
Last updated 24 December 2017
4:00pm-4:30pm EST (21:00 GMT) < > « »
Retro TV
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Featuring: Tom Baker, Louise Jameson, John Leeson, Michael Sheard
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.
Synopsis Source: Doctor Who Guide
Broadcast Source: Retro TV