Doctor Who and the Silurians

Overview: 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.

Status: Released

Release date: March 14, 1970

Countries of origin: United Kingdom,