The Master, an old adversary of the Doctor, has arrived on Earth to destroy humanity with the aid of the Nestene Consciousness and their army of Autons and killer plastic daffodils - unless the Doctor, joined by new assistant Jo Grant, can stop them.
| Writing | Robert Holmes | Writer |
| Production | Barry Letts | Producer |
| Directing | Barry Letts | Director |
| Sound | Dudley Simpson | Original Music Composer |
| Costume & Make-Up | Ken Trew | Costume Design |
| Costume & Make-Up | Jan Harrison Shell | Makeup Artist |
| Writing | Terrance Dicks | Script Editor |
| Editing | Geoffrey Botterill | Editor |
| Visual Effects | Michael John Harris | Visual Effects |
| Sound | Colin Dixon | Sound |
| Art | Ian Watson | Production Design |
| Lighting | Eric Monk | Lighting Director |
| Camera | John Baker | Camera Operator |