Knightmare Series 3 was formed of 16 episodes. It was shown on Friday afternoons from 8 September - 22 December 1989.
- Teams: 12
- Winning Quests: None
- Longest Quest: Team 11 (47 mins)
- Shortest Quest: Team 1 (11 mins)
- Mellisandre, the Maid
- Motley, the Jester
- Hordriss the Confuser
- Velda, the Wood Elf
- Golgarach and Brangwen
- Mr and Mrs Grimwold
- Teams began in new 'dice room'.
- New 'dwarf tunnel' transitions between rooms.
- CGI minecart ride to Level 3.
- New monsters include goblins and the behemoth.