Plot
Investigating mysterious power failures and a death at an underground research centre, The Doctor discovers a colony of Silurians - prehistoric, intelligent reptiles who went into hibernation before man evolved. But now they have woken up, and they are prepared to wipe out mankind with a killer plague to get their planet back.
Writer | Malcolm Hulke |
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Director | Timothy Combe |
Actor | Jon Pertwee, Caroline John, Nicholas Courtney |
Country | United Kingdom |
Production | BBC |