Released:
1970-03-14

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.

Director:
Timothy Combe

Runtime:
2h 55min

Genre:
Science Fiction, Drama, Adventure

• Cast:
• 
  Jon Pertwee
  as
  The Doctor
• 
  Caroline John
  as
  Liz Shaw
• 
  Nicholas Courtney
  as
  Brigadier Lethbridge-Stewart
• 
  Fulton Mackay
  as
  Dr. Quinn
• 
  Norman Jones
  as
  Major Baker