| "The Satan Pit" | |
|---|---|
| Series Doctor Who Season 2/28, Episode 12 | |
| File:Doctor Who 2005 2x12 002.jpg | |
| Air date | July 1st, 2006 |
| Writers | Tom MacRae |
| Director | Graeme Harper |
| Producers | Phil Collinson; Russell T. Davies; Julie Gardner; Helen Vallis |
| Starring | David Tennant; Billie Piper |
| Episode guide | |
| Previous "The Impossible Planet" |
Next "Doomsday" |
"Army of Ghosts" is the twelfth episode of series two of the 2005 relaunch of the British sci-fi series Doctor Who and the twentieth episode of the series overall. Totaling the episode count of both programs together, including the 1996 Doctor Who television movie and "The Christmas Invasion" holiday special, it is the 716th episode in the entire Doctor Who franchise. It was directed by Graeme Harper and written by Tom MacRae. It first aired on BBC One in the United Kingdom on July 1st, 2006. The episode was produced by Phil Collinson with Russell T. Davies and Julie Gardner as executive producers and Helen Vallis as associate producer.