"This Christmas, the Doctor comes face to face with ... the Doctor! The epic finale to the Peter Capaldi era of Doctor Who, "Twice Upon a Time," is coming to DVD, Blu-ray, and Digital HD, featuring the return of Pearl Mackie and special guests Mark Gatiss (Sherlock) and David Bradley (Filch in the Harry Potter movies), and introducing the Thirteenth Doctor, played by Jodie Whittaker (Broadchurch). It promises to be an epic adventure you won't want to miss!"