
Season 16, episode 4
The Ribos Operation (4)
- 25 min
Trapped in the catacombs between a mad warlord and ravenous monsters, the Doctor and Romana work desperately to obtain the segment of the Key to Time – and escape alive.

Season 16, episode 4
Trapped in the catacombs between a mad warlord and ravenous monsters, the Doctor and Romana work desperately to obtain the segment of the Key to Time – and escape alive.