Terror of the Zygons: Part Four is an episode of Doctor Who starring Tom Baker, Elisabeth Sladen, and Ian Marter. UNIT attempt to track down the Zygon ship while Broton prepares to have the Skarasen attack London.
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