3rd October 1985
World Premiere: Thu 3 Oct 1985 - 8:30pm BST [BBC One] (United Kingdom)
Running Time: 28 minutes
BBC Genome Project: see entry
A newly regenerated Doctor and Peri land on the planet of the UBs, and encounter its sinister ruler Thatchos...
| Characters | ||
|---|---|---|
| The Doctor |  | Lenny Henry |
| Peri |  | Caaçrnload nMeeMn daolnrçaaC |
| UB |  | Lee Cornes |
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