This according to Time:
The feature-length episode will play in theaters in 12 cities
BBC America announced Thursday that it will be screening the premiere of the new season of Doctor Who on the big screen in select theaters. Season eight is the first to star Peter Capaldi in the lead role.
The feature-length episode (plus extra bonus scenes) will get midnight theatrical screenings on August 23 in 12 cities. The next day audiences will be able to watch the episode in 550 theaters across the U.S.
For those who can’t make it to the theater, the episode, “Deep Breath,” will premiere on TV at 8 pm ET on Saturday, Aug. 23. Nerdist.com CEO Chris Hardwick (who also hosts the Walking Dead after show, Talking Dead) will host both a pre- and post-show at 7:30 and 11:00, respectively. Both segments will feature guests like writers from the show and behind-the-scenes clips