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See broadcasts for BBC OneThe Invisible Enemy: Part Three

Last updated 09 January 2017
Broadcast: Saturday 15th October 1977
6:10pm-6:35pm BST (17:10 GMT) « » Premiere « »
(actually broadcast at 18:13:29)
Featuring: Tom Baker, Louise Jameson, John Leeson, John Leeson, Frederick Jaeger, Michael Sheard

The Doctor and Leela have been cloned and miniaturised and injected into the Doctor's body. There they must fight the virus on a microscopic level before time runs out.

Synopsis Source: Doctor Who Guide
Broadcast Source: BBC

Ratings Information:

Consolidated figures: 7.500m viewers (+7 days) (65th place)