Doctor Doctor Who Guide
Last updated 31 May 2015


Episode 4

Episode 4

Series Episode Number: 201

World Premiere: Sat 6 Apr 1968 - 5:15pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 17 seconds

6.60 Million (UK)

Appreciation Index: 56 (UK)

Chart Position: 62 () (UK)

Recorded on Sat 16 Mar 1968 in Lime Grove D
Archive State: Missing



Investigating the impeller shaft, Van Lutyens is overwhelmed by the weed creature. A call comes from one of the off-shore rigs – the weed creatures are attacking and taking over!