This Week in United Kingdom

The Ribos Operation: Part Four
Last updated 13 January 2025
Broadcast: Saturday 23rd September 1978
6:20pm-6:40pm BST (17:20 GMT) < > « »
< > « »
(actually broadcast at 18:21:07)
BBC One

Featuring: Tom Baker, John Leeson, Mary Tamm, Iain Cuthbertson
Synopsis Source: Doctor Who Guide
Broadcast notes:
6:20pm-6:40pm BST (17:20 GMT) < > « »

(actually broadcast at 18:21:07)
BBC One

Featuring: Tom Baker, John Leeson, Mary Tamm, Iain Cuthbertson
Pursued into the catacombs by the Graff and attacked by the ferocious Shrivenzale, the Doctor and Romana struggle to stay alive and find the first segment of the Key to Time.
Synopsis Source: Doctor Who Guide
Broadcast notes:
Was only scheduled for 20 minutes, though runs for 25m 5s!
Broadcast Source: BBC
Ratings Information:
Consolidated figures: 8.200m viewers (+7 days), 36th place, AI 67