Written by: Steven Moffat
Directed by: Adam Smith
First transmitted on: Saturday 3rd April 2010
Running Time: 65 minutes
Setting: The English village of Leadworth, which, as Amy points out, is half an hour away from Gloucester by car. The Doctor first meets Amy when she's 7 years old, when the TARDIS crashlands in her back garden. After promising her he'll be back in 5 minutes, he doesn't return for 12 years.
Filming: This episode was the third episode to be filmed for Series 5, and production took place in October 2009. Llandaff doubled as Leadworth.
Viewing Figures: 10.8million
Know your enemy: Prisoner Zero, a snake-like interdimensional multi-form that has managed to escape from the Atraxi prison through a crack in the fabric of time and space. The Doctor and Amy discover that Prisoner Zero is hiding on Earth using a psychic link to live in the dreams of coma patients, and the Atraxi threaten to destroy the whole planet unless the convict is caught...