Episode 5
Series Episode Number: 202World Premiere: Sat 13 Apr 1968 - 5:15pm BST [BBC One] (United Kingdom)
Running Time: 23 minutes 40 seconds
5.90 Million (UK)
Appreciation Index: 56 (UK)Chart Position: 73 () (UK)
Recorded on Sat 23 Mar 1968 in Lime Grove D
Archive State: Missing
As the weed breaks into the Pipeline Room at the refinery, the deranged Chief Robson kidnaps Victoria in a helicopter and heads for the Control Rig.