The Doctor and Peri arrive on Karfel, a planet ruled by fear where the enemies of its ruler, the despotic Borad, are banished into a time tunnel known as the Timelash.
| Directing | Pennant Roberts | Director |
| Writing | Glen McCoy | Writer |
| Camera | Alec Wheal | Camera Supervisor |
| Costume & Make-Up | Alun Hughes | Costume Design |
| Art | Bob Cove | Production Design |
| Sound | Liz Parker | Music |
| Costume & Make-Up | Vanessa Poulton | Makeup Artist |
| Production | John Nathan-Turner | Producer |
| Production | Jane Whittaker | Production Assistant |
| Production | Alan Wareing | Production Manager |
| Writing | Eric Saward | Script Editor |
| Crew | Dick Mills | Special Sound Effects |
| Lighting | Henry Barber | Lighting Director |
| Sound | Andy Stacey | Sound Supervisor |
| Visual Effects | Dave Chapman | Visual Effects |
| Editing | Hugh Parson | Editor |
| Visual Effects | Kevin Molloy | Visual Effects Designer |
