Doctor Who: A Town Called Mercy

"A Town Called Mercy" is the title to the third episode from series seven of the 2005 relaunch of the British science fiction/adventure series Doctor Who and the eighty-seventh episode of the series overall. It was directed by Douglas MacKinnon and written by Chris Chibnall. It first aired on BBC One in the United Kingdom and on BBC America in the United States on September 22nd, 2012.