Terror of the Zygons: Part Three is an episode of Doctor Who starring Tom Baker, Elisabeth Sladen, and Ian Marter. The Doctor and the Brigadier begin to realise who the Zygon imposters among them are while Sarah discovers a secret...
Runtime: 50 minutes
Genre: Adventure, Drama, Family, Sci-Fi
Stars: Tom Baker, Elisabeth Sladen, Ian Marter, John Woodnutt
Director: Douglas Camfield, Robert Banks Stewart, Sydney Newman