When the Doctor and Rose become stranded on a planet orbiting a black hole, they find a human expedition crew and their servants, the Ood, being terrorised by some ancient evil.
| Directing | James Strong | Director |
| Production | Phil Collinson | Producer |
| Writing | Matt Jones | Writer |
| Writing | Sydney Newman | Writer |
| Production | Andy Prior | Casting |
| Editing | Mike Jones | Editor |
| Crew | Ernest Vincze | Cinematography |
| Production | Russell T Davies | Executive Producer |
| Production | Julie Gardner | Executive Producer |