26 Season
694 Episode
Doctor Who - Season 20 Episode 12 Mawdryn Undead (4)
As the Doctor's ethics are challenged and the two Brigadiers finally meet, Turlough plots with the Black Guardian to bring the Time Lord down once and for all...
- Year: 1989
- Country: United Kingdom
- Genre: Drama, Action & Adventure, Sci-Fi & Fantasy
- Studio: BBC One, BBC Television
- Keyword: time travel, space, alien
- Director: Verity Lambert, Sydney Newman, C. E. Webber, Donald Wilson
- Cast: Sylvester McCoy, Sophie Aldred