The Doctor and his companions are pursued through time and space by the Daleks on the desert planet Aridius and beyond.
| Directing | Douglas Camfield | Director |
| Writing | Terry Nation | Writer |
| Production | Verity Lambert | Producer |
| Sound | Dudley Simpson | Music |
| Writing | Dennis Spooner | Script Editor |
| Directing | Richard Martin | Director |
| Art | Raymond Cusick | Production Design |
| Art | John Wood | Production Design |
| Costume & Make-Up | Daphne Dare | Costume Design |
| Crew | Peter Diamond | Fight Choreographer |
| Camera | Charles Parnell | Camera Operator |
| Editing | Norman Matthews | Editor |
| Costume & Make-Up | Sonia Markham | Makeup Artist |
| Crew | Brian Hodgson | Special Sound Effects |
| Lighting | Howard King | Lighting Director |
| Sound | Ray Angel | Sound |
