Having seen it and being left wondering why it was padded out to 75 minutes when it didn't need to be that long, I guess this answers the question.
http://www.doctorwho.tv/whats-new/a...-1-to-be-screened-in-cinemas-around-the-world
http://www.doctorwho.tv/whats-new/a...-1-to-be-screened-in-cinemas-around-the-world