The Satan Pit

174b – "The Satan Pit"
Doctor Who episode
Cast
Others
Production
Directed byJames Strong
Written byMatt Jones
Script editorSimon Winstone
Produced byPhil Collinson
Executive producer(s)Russell T Davies
Julie Gardner
Music byMurray Gold
Production code2.9
SeriesSeries 2
Running time2nd of 2-part story, 45 minutes
First broadcast10 June 2006 (2006-06-10)
Chronology
← Preceded by
"The Impossible Planet"
Followed by →
"Love & Monsters"
List of episodes (2005–present)

"The Satan Pit" is the ninth episode of the second series of the British science fiction television series Doctor Who, which was first broadcast on 10 June 2006. It is the second part of a two-part story. The first part, "The Impossible Planet", was broadcast on 3 June.

The episode is set on Krop Tor, a planet orbiting a black hole. In the episode, the alien time traveller the Tenth Doctor (David Tennant) climbs down a deep pit in which the Beast (Gabriel Woolf) is kept prisoner. At the same time, the Doctor's travelling companion Rose Tyler (Billie Piper) and a human expedition team try to escape the planet after the Beast possesses the Ood on the base.