Last updated 09 January 2020

Episode 2

Episode 2

Series Episode Number: 199

World Premiere: Sat 23 Mar 1968 - 5:15pm BST [BBC One] (United Kingdom)
Running Time: 23 minutes 8 seconds

7.90 Million (UK)

Appreciation Index: 55 (UK)

Chart Position: 40 () (UK)

Recorded on Sat 02 Mar 1968 in Lime Grove D
Archive State: Missing

As the situation worsens at the refinery, Chief Robson refuses to halt the gas flow. Elsewhere, the weed extends its influence and Mrs Harris receives sinister visitors.