The Time Lords dispatch the Doctor to the past of the planet Skaro on his deadliest adventure yet — to prevent the creation of the Daleks.
| Writing | Terry Nation | Writer |
| Directing | David Maloney | Director |
| Writing | Robert Holmes | Script Editor |
| Production | Philip Hinchcliffe | Producer |
| Sound | Dudley Simpson | Original Music Composer |
| Lighting | Duncan Brown | Lighting Director |
| Camera | Elmer Cossey | Camera Operator |
| Production | Rosemary Crowson | Production Assistant |
| Visual Effects | Peter Day | Visual Effects |
| Costume & Make-Up | Sylvia James | Makeup Artist |
| Costume & Make-Up | Barbara Kidd | Costume Design |
| Sound | Tony Millier | Sound |
| Crew | Dick Mills | Special Sound Effects |
| Art | David Spode | Production Design |
| Editing | Larry Toft | Editor |
| Sound | Bill Meekums | Sound |
