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Doctor Who
Season 16 · Episode 4
The Ribos Operation (4)
6.625mSeptember 23, 1978
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.
Episodes
- Episode 1The Ribos Operation (1)
- Episode 2The Ribos Operation (2)
- Episode 3The Ribos Operation (3)
- Episode 4The Ribos Operation (4)
- Episode 5The Pirate Planet (1)
- Episode 6The Pirate Planet (2)
- Episode 7The Pirate Planet (3)
- Episode 8The Pirate Planet (4)
- Episode 9The Stones of Blood (1)
- Episode 10The Stones of Blood (2)
- Episode 11The Stones of Blood (3)
- Episode 12The Stones of Blood (4)
- Episode 13The Androids of Tara (1)
- Episode 14The Androids of Tara (2)
- Episode 15The Androids of Tara (3)
- Episode 16The Androids of Tara (4)
- Episode 17The Power of Kroll (1)
- Episode 18The Power of Kroll (2)
- Episode 19The Power of Kroll (3)
- Episode 20The Power of Kroll (4)
- Episode 21The Armageddon Factor (1)
- Episode 22The Armageddon Factor (2)
- Episode 23The Armageddon Factor (3)
- Episode 24The Armageddon Factor (4)
- Episode 25The Armageddon Factor (5)
- Episode 26The Armageddon Factor (6)