Part TwoSeries Episode Number: 437
World Premiere: Sat 6 Nov 1976 - 6:04pm GMT [BBC One] (United Kingdom)
First Broadcast: Fri 16 May 1980 - 5:30pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 44 seconds
12.10 Million (UK)Appreciation Index: 59 (UK)
Chart Position: 11 () (UK)
Recorded on Tue 17 Aug 1976 in TC3
The Time Lord president has been assassinated and the Doctor is the prime suspect. The Doctor realises that he has been framed for the murder, but by whom?