After escaping from the vicious giant rat in the sewers, the Doctor & Leela team up with Litefoot. Chang, Mr Sin and Weng-Chiang go in search of the time cabinet, while the Doctor and Jago go in search of Chiang's lair.

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