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See broadcasts for BBC OneThe Invisible Enemy: Part Four

Last updated 09 January 2017
Broadcast: Saturday 22nd October 1977
6:10pm-6:30pm BST (17:10 GMT) « » Premiere « »
(actually broadcast at 18:12:52)
BBC One
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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: BBC

Ratings Information:


Consolidated figures: 8.300m viewers (+7 days) (50th place), AI 60