"The Hungry Earth" is the eighth episode of the fifth series of the British science fiction television series Doctor Who, which was first broadcast on 22 May 2010 on BBC One. It was written by Chris Chibnall, who had previously written for Doctor Who and its spin-off series, Torchwood. It is the first episode of a two-part story, the second episode being "Cold Blood", and features the return of the Silurians, a reptile-like humanoid race last seen in 1984's Warriors of the Deep.