Sally Sparrow receives a cryptic message from the Doctor about a mysterious new enemy species that is after the TARDIS.
| Directing | Hettie Macdonald | Director |
| Production | Phil Collinson | Producer |
| Production | Russell T Davies | Executive Producer |
| Production | Julie Gardner | Executive Producer |
| Writing | Steven Moffat | Writer |
| Production | Andy Pryor | Casting |
| Editing | Jamie McCoan | Editor |
| Crew | Ernest Vincze | Cinematography |
| Crew | Ron Grainer | Compositor |