The Impossible Planet

174a – "The Impossible Planet"
174a – "The Impossible Planet"
Doctor Who episode
Cast
	Doctor David Tennant – Tenth Doctor;
	Companion Billie Piper – Rose Tyler;
	Others Danny Webb – Mr. Jefferson; Shaun Parkes – Zachary Cross Flane; Claire Rushbrook – Ida Scott; Will Thorp – Toby Zed; Ronny Jhutti – Danny Bartock; MyAnna Buring – Scooti Manista; Paul Kasey – The Ood; Gabriel Woolf – Voice of the Beast; Silas Carson – Voice of the Ood;
Production
Directed by	James Strong
Written by	Matt Jones
Produced by	Phil Collinson
Executive producer(s)	Russell T Davies; Julie Gardner
Music by	Murray Gold
Production code	2.8
Series	Series 2
Running time	1st of 2-part story, 45 minutes
First broadcast	3 June 2006
Chronology
← Preceded by; "The Idiot's Lantern"	Followed by →; "The Satan Pit"

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

The episode is set on Krop Tor, a planet orbiting a black hole. In the episode, a human expedition group drilling on the planet is terrorised by a creature calling itself the Beast (voiced by Gabriel Woolf), which possesses the Ood slaves in the humans' base.