Episode 6
Series Episode Number: 270World Premiere: Sat 25 Apr 1970 - 5:16pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 20 Oct 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 31 seconds
6.90 Million (UK)
Appreciation Index: 61 (UK)Chart Position: 70 () (UK)
Recorded on Fri 20 Mar 1970 in Television Centre 4
Archive State: PAL Restor
On board a vast spacecraft, the Doctor meets the alien captain who demands the return of the three ambassadors sent to Earth or he will destroy the world.
Home Region: