Last updated 23 March 2024

Part Two

Series Episode Number: 687

World Premiere: Wed 11 Oct 1989 - 7:34pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 18 seconds

4.00 Million (UK)

Appreciation Index: 68 (UK)

Chart Position: 93 () (UK)

Recorded on Wed 19 Jul 1989 in Television Centre 3

The Doctor and Scotland Yard's finest, Inspector Mackenzie, attempt to question Josiah Smith while both Light and Control emerge from their respective slumbers