Part Five
Series Episode Number: 364World Premiere: Sat 9 Feb 1974 - 5:29pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 2 Dec 2014 - 8:00pm EST [Retro TV]
Running Time: 24 minutes 30 seconds
9.00 Million (UK)
Chart Position: 23 () (UK)
Recorded on Mon 12 Nov 1973 in TC3
Archive State: PAL 2 VT
Sarah discovers that the spaceship passengers are all victims of a deception, but not all are willing to believe her story.