A meeting in a London bus with jewel thief Lady Christina takes a turn for the worse for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.
| Directing | James Strong | Director |
| Writing | Russell T Davies | Writer |
| Writing | Gareth Roberts | Writer |
| Editing | Mike Jones | Editor |
| Production | Julie Gardner | Executive Producer |
| Production | Debbi Slater | Associate Producer |
| Production | Tracie Simpson | Producer |
| Camera | Rory Taylor | Director of Photography |
| Production | Russell T Davies | Executive Producer |
| Sound | Murray Gold | Music |
