7x05 Doctor Who and the Silurians, Episode One
First Aired: Jan. 31, 1970 on BBC One
Summary: England, the near future. Wenley Moor research station is experiencing strange power losses, and off-duty staff have been killed while potholing in the local caves. What ancient force has the station reactor re-energised? And is Man's civilisation really the only one in Earth's history?
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Guest Stars[no credits found]