Part TwoSeries Episode Number: 531
World Premiere: Sat 4 Oct 1980 - 6:17pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 24 Sep 2017 - 4:30pm EDT [Retro TV]
Running Time: 21 minutes 24 seconds
4.20 Million (UK)Appreciation Index: 64 (UK)
Chart Position: 139 () (UK)
Recorded on Tue 26 Jun 0198 in Television Centre 6
Masquerading as the Doctor, Meglos penetrates the underground city of Tigella. The Doctor and Romana are trapped in an ever repeating circle of time and seem powerless to act.