This Week in USA
The Invisible Enemy: Part Four
Last updated 08 January 2017
5:30pm CDT (22:30 GMT) < > « »
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Featuring: Tom Baker, Louise Jameson, John Leeson, John Leeson, Frederick Jaeger, Michael Sheard
The Nucleus has escaped the Doctor's body and grown to human size. Its plans to spawn and infect the whole galaxy are nearing fruition. And it looks like K-9 has a new masterÂ…
Synopsis Source: Doctor Who Guide
Broadcast Source: BroaDWcast