The Invasion: Episode Three is an episode of Doctor Who starring Patrick Troughton, Frazer Hines, and Peter Halliday. The Doctor and Jamie return to the IE factory in search of Zoe and Isobel, where they meet with Professor Watkins...
Runtime: 50 minutes
Genre: Adventure, Drama, Family, Sci-Fi
Stars: Patrick Troughton, Frazer Hines, Peter Halliday, Kevin Stoney
Director: Douglas Camfield, Derrick Sherwin, Kit Pedler, Sydney Newman