Part Two
Series Episode Number: 683World Premiere: Wed 13 Sep 1989 - 7:34pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 6 Jul 2015 - 10:30pm EDT [Retro TV]
Running Time: 24 minutes 7 seconds
3.90 Million (UK)
Appreciation Index: 68 (UK)Chart Position: 91 () (UK)
Recorded on Wed 31 May 1989 in Television Centre 3
The Doctor and Ace explore King Arthur's spaceship deep under Lake Vortigern, while Brigadier Lethbridge-Stewart arrives in Carbury where he encounters Morgaine.