The Doctor and Jo find themselves trapped inside an alien peepshow machine which showman Vorg and his assistant Shirna have brought to amuse the populace of the planet Inter Minor. Can they escape Vorg and the ferocious Drashigs?
| Writing | Robert Holmes | Writer |
| Directing | Barry Letts | Director |
| Sound | Dudley Simpson | Original Music Composer |
| Writing | Terrance Dicks | Script Editor |
| Sound | Gordon Mackie | Sound |
| Art | Roger Liminton | Production Design |
| Costume & Make-Up | Angela Seyfang | Makeup Artist |
| Camera | Peter Hamilton | Camera Operator |
| Costume & Make-Up | James Acheson | Costume Design |
| Lighting | Clive Thomas | Lighting Director |
| Crew | Brian Hodgson | Special Sound Effects |
| Production | Barry Letts | Producer |
| Production | Chris D'Oyly-John | Production Assistant |
| Visual Effects | John Horton | Visual Effects Designer |
