Classic Doctor Who
|623 episodes

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.

Classic Doctor Who

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Classic science fiction which may be scary for younger children. Contains some violence. Turn on Parental controls

8. The Mind of Evil (Part 4) - 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.

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Series 8