This Week in USA
The Mind of Evil: Episode Four
Last updated 08 January 2017
6:30pm CST (00:30 GMT) < > « »
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Featuring: Jon Pertwee, Nicholas Courtney, Katy Manning, Roger Delgado, Richard Franklin, John Levene, Michael Sheard
The mind parasite within the Keller Machine becomes too powerful for the Master to control. It learns how to move of its own accord and goes on the hunt for new minds.
Synopsis Source: Doctor Who Guide
Broadcast Source: BroaDWcast