Part ThreeSeries Episode Number: 594
World Premiere: Tue 22 Feb 1983 - 6:54pm GMT [BBC One] (United Kingdom)
First Broadcast: Mon 4 May 2015 - 8:00pm EDT [Retro TV]
Running Time: 24 minutes 39 seconds
6.50 Million (UK)Appreciation Index: 64 (UK)
Chart Position: 97 () (UK)
Trapped with the Lazars, Nyssa tries to find a way to help them while the Doctor and Kari find the original pilot of Terminus and realise his mistake is about to be repeated...