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.
Jon Pertwee
The Doctor
Caroline John
Liz Shaw
Nicholas Courtney
Brigadier Lethbridge-Stewart
Fulton Mackay
Dr. Quinn
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March 14, 1970
2h 55m
7.3
Timothy Combe
Malcolm Hulke
9
BBC
GB
Norman Jones
Major Baker
Peter Miles
Dr. Lawrence
Thomasine Heiner
Miss Dawson
John Newman
Spencer
Geoffrey Palmer
Masters
Ian Cunningham
Dr. Meredith
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