The Doctor and Romana follow a distress signal which leads to the jungle planet Chloris, whose ruthless ruler Lady Adrasta harbors a deadly creature in a pit.
| Writing | David Fisher | Writer |
| Directing | Christopher Barry | Director |
| Production | Graham Williams | Producer |
| Sound | Dudley Simpson | Original Music Composer |
| Writing | Douglas Adams | Script Editor |
| Costume & Make-Up | June Hudson | Costume Design |
| Art | Valerie Warrender | Production Design |
| Visual Effects | Dave Chapman | Visual Effects |
| Camera | David Feig | Camera Operator |
| Editing | M.A.C. Adams | Editor |
| Sound | Doug Mawson | Sound |
| Costume & Make-Up | Gillian Thomas | Makeup Artist |
| Production | Romey Allison | Production Assistant |
| Camera | Rodney Taylor | Camera Operator |
| Crew | Dick Mills | Special Sound Effects |
| Lighting | Warwick Fielding | Lighting Director |
| Sound | Anthony Philpott | Sound |
| Visual Effects | Mat Irvine | Visual Effects Designer |
| Editing | Rod Waldron | Editor |
