Doctor Who - Season 20 - Eps 10: Mawdryn Undead (2)
The TARDIS lands on Earth six years out of date, stranding the Doctor in 1983 while leaving Tegan and Nyssa to look for him in 1977. Both parties also encounter former companion, Brigadier Lethbridge-Stewart, though curiously, he has no memory of the Doctor at all.
About Doctor Who

Title: Doctor Who
First Air Date: 1963-11-23
Last Air Date: 1989-12-06
Status: Ended
Rating: 7.869/10 (from 666 votes)
Language: EN
Seasons: 27
Total Episodes: 694
Network: BBC One BBC Television
Genres: Drama, Action & Adventure, Sci-Fi & Fantasy
Production Companies: BBC
Synopsis
The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.
Cast

Sylvester McCoy
The Doctor

Sophie Aldred
Ace