"Deep Breath" is the first episode of the eighth series of the British science fiction television programme Doctor Who, scheduled to be 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 will star Peter Capaldi in his first full episode as the Twelfth Doctor, alongside Jenna Coleman as his companion Clara Oswald. It will also feature Neve McIntosh, Catrin Stewart, and Dan Starkey reprising their roles as Madame Vastra, Jenny Flint, and Strax.
The episode had its world premiere in Cardiff on 7 August 2014 as part of the series 8 world tour. As part of the tour, advance screenings are also scheduled to be held in London on 7 August, Seoul on 9 August and Sydney on 12 August. As with "The Day of the Doctor", "Deep Breath" will receive a worldwide cinema release at participating cinemas on 23 August 2014. The episode will receive a midnight screening in 12 cities across the United States on August 23, and then will be shown in 550 cinemas on the 25th. The cinema screenings of the episode will be accompanied by a five minute prequel.