United Kingdom / Sep 23, 1978
Overall average
5.0/10
Trailer

Videos
Plot
The Doctor is summoned by the mysterious and powerful White Guardian, and sent on a quest to find the six segments of the Key to Time, which, once assembled, will restore balance to the Universe. Joining the Doctor and K9 is the smart and sassy Romana, a Time Lord fresh from the Academy. Landing on the wintry planet of Ribos to locate the first segment, the TARDIS crew quickly find themselves embroiled in a little local trouble with a pair of conmen and an unstable warlord...
Main cast
Full cast
| Actor | Role |
|---|---|
| Robert Keegan | Sholakh |
| Timothy Bateson | Binro |
| Anne Tirard | The Seeker |
| Prentis Hancock | Shrieve Captain |
Genres
Science FictionAdventureDrama
Technical details
| Detail | Value |
|---|---|
| Original title | Doctor Who: The Ribos Operation |
| Original language | English (EN) |
| Spoken languages | English |
| Production countries | United Kingdom |
| Status | Released |
| Production companies | BBC |
| Release date | 23 settembre 1978 |
| Production | Graham Williams |
| Writer | Robert Holmes, Anthony Read |
| Assistant directors | George Spenton-Foster |
| Music | Dudley Simpson, Delia Derbyshire |
| Sound | Dudley Simpson, Delia Derbyshire |
Release dates
TV
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