A Bargain of NecessitySeries Episode Number: 41
World Premiere: Sat 5 Sep 1964 - 5:31pm BST [BBC One] (United Kingdom)
Running Time: 23 minutes 51 seconds
6.90 Million (UK)Appreciation Index: 53 (UK)
Chart Position: 39 () (UK)
Recorded on Fri 07 Aug 1964 in Television Centre 4
Archive State: Missing
The Doctor is reunited with Barbara at the prison and arranges for her to escape, but Susan remains behind bars. Jules rescues Ian, killing Leon in the process.