Sudden Mutation
Doctor: Second Doctor
Companion(s): Malcolm JenningsFern Cooper
Main Enemy: Dr. Spall's Experiment
Main Setting:
Release Details
Story Number: 21
Series: 3
Premiere Broadcast:

20th June 2015

Format: 1x45 minute episode
Production Code: 3.6
The Souls of Dread The Carnival of Fears

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