Doctor Who (1963): Turlough begins to recall a horror from his planet's past as the secrets of Frontios are revealed. The tractators are in full control, slowly carrying out a gruesome plan�

Starring:

Elisabeth Sladen, Frazer Hines, Jacqueline Hill, John Levene, John Scott Martin, Jon Pertwee, Katy Manning, Nicholas Courtney, Pat Gorman, Patrick Troughton, Peter Davison, Tom Baker, William Hartnell, William Russell

Genre:

Adventure, Drama, Sci-Fi