In December 1986, a new planet appears in the Solar System which turns out to be a long-lost twin of Earth's named Mondas. Its inhabitants are the Cybermen.
Did You Know?
found working in fake snow difficult, he had just undergone surgery to remove a bone chip from his nose during which he suffered a burst blood vessel which nearly cost him his life) and the jabolite "snow" blown around the film stage irritated his nose badly. See more
The Doctor removes his glasses while talking to the Sergeant. In the next shot, which continues directly, he is wearing them again. See more
[last words before regeneration
What did you say, my boy? "It's all over?" That's what you said... but it isn't at all. It's far from being all over...
Writer Kit Pedler's name is misspelled in the opening titles to several of this story's episodes. See more
The BBC Video release of this story features a "reconstructed" version of the missing fourth episode made by combining a fan-recorded audio track with surviving clips, screen photographs called "telesnaps", and production stills. See more
References Nanook of the North
Composed by Roger Roger
(uncredited) See more