Doctor Who: The Crimson Horror

"The Crimson Horror" is the title to the twelfth episode from series seven of the 2005 relaunch of the British science fiction/adventure series Doctor Who and the ninety-fifth episode of the series overall. It was directed by Saul Metzstein with a script written by Mark Gatiss. It first aired on BBC One in the United Kingdom and on BBC America in the United States on May 4th, 2013.