Acteurs: Jon Pertwee, Caroline John, Nicholas Courtney, Fulton Mackay, Norman Jones, Peter Miles, Thomasine Heiner, John Newman
Réliasé: 1970 01 31
Produit par: BBC
Pays: United Kingdom
Chiffre d'affaire: 0$USD
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.