May 22, 2007
| 188 - 42 | |
|---|---|
| Doctor | David Tennant (Tenth Doctor) |
| Writer | Chris Chibnall |
| Director | Graeme Harper |
| Script Editor | Simon Winstone |
| Producer | Phil Collinson |
| Executive Producer(s) | Russell T. Davies Julie Gardner |
| Production code | 3.7 |
| Series | Series 3 |
| Length | 45 minutes |
| Originally broadcast | 19 May 2007 |
| Preceded by | The Lazarus Experiment |
| Followed by | Human Nature |
In a distant galaxy, in the 42nd century, a spaceship hurtles out of control towards a boiling sun. The Doctor has 42 minutes to uncover the saboteurs, but with a mysterious force starting to possess the ship's crew, the Doctor and Martha are running out of time.