The Doctor and Ruby Sunday have faced the Bogeyman, fought against Maestro, and survived the battlefield of Kastarion 3. In the epic two-part season finale, The Doctor and Ruby arrive at UNIT headquarters on a top-secret mission and a long-buried secret awaits…
| Directing | Jamie Donoughue | Director |
| Writing | Russell T Davies | Writer |
| Production | Russell T Davies | Executive Producer |
| Production | Joel Collins | Executive Producer |
| Production | Vicki Delow | Producer |
| Production | Julie Gardner | Executive Producer |
| Editing | Ben Drury | Editor |
| Production | Andy Pryor | Casting |
| Production | Phil Collinson | Executive Producer |
| Production | Jane Tranter | Executive Producer |
| Sound | Murray Gold | Original Music Composer |
| Sound | Ron Grainer | Main Title Theme Composer |
| Production | Rebecca Ferguson | Executive Producer |
| Camera | Chas Bain | Director of Photography |
| Writing | Lewis Greifer | Characters |
