Deep Breath

"Deep Breath" is the first episode of the eighth series of the British science fiction television programme Doctor Who, first broadcast on BBC One and released in cinemas on 23 August 2014. It was written by showrunner and executive producer Steven Moffat and directed by Ben Wheatley. The episode was watched by 9.17 million viewers and received positive reviews from critics.

The episode stars Peter Capaldi in his first full episode as the Twelfth Doctor, alongside Jenna Coleman as his companion Clara Oswald. It also features Neve McIntosh, Catrin Stewart, and Dan Starkey reprising their roles as Madame Vastra, Jenny Flint, and Strax. Capaldi's predecessor, Matt Smith, also appears in a cameo.