![The Ribos Operation: Part 4](/assets/artwork/1x1.gif)
Doctor Who
The Ribos Operation: Part 4
S16 E4:
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.
Starring
Nigel Plaskitt, Paul Seed, Robert Keegan