When a shadowy industrialist joins forces with the dreaded Cybermen, the Doctor and the newly formed UNIT face their most urgent threat yet. Together, they must uncover the conspiracy and stop an invasion that could change the course of history.
Directed by Douglas Camfield. Written by Derrick Sherwin and Kit Pedler. Starring Patrick Troughton, Frazer Hines, and Wendy Padbury.
Directed by Douglas Camfield. Written by Derrick Sherwin and Kit Pedler. Starring Patrick Troughton, Frazer Hines, and Wendy Padbury.

