Doctor Who
The Ribos Operation (4) (16x4)
Uitzenddatum: Sep 23, 1978
Trapped in the catacombs between a mad warlord and ravenous monsters, the Doctor and Romana work desperately to obtain the segement of the Key to Time - and escape alive.
- in première gegaan: Nov 1963
- Afleveringen: 706
- Volgers: 1543
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- BBC One
- Zaterdag op 17