Gerry Davis

The TARDIS brings the Doctor and his friends to a space tracking base in the Antarctic, and straight into trouble. A new planet has appeared in the sky - Mondas, the ancient fabled twin planet of Earth has returned. Soon its inhabitants arrive - the Cybermen. Humanity needs all the help it can get, but the one man who seems to know what's going on is terminally ill. As the Cybermen take over, the Doctor is dying...

This televison adventure, starring second Doctor Patrick Troughton, was first broadcast in four episodes over December 1966 and January 1967.

In it the time travellers arrive in Scotland in the aftermath of the battle of Culloden, meeting up with a band of fleeing Highlanders. Polly and the daughter of the group's Laird, whose battle injuries are being treated by the Doctor, go off to fetch water and return to find that the others have been captured by Redcoat troops. Can the Doctor save the day?