The BBC have released behind-the-scenes videos from the making of the most recent Doctor Who episode, Heaven Sent - watch them in the players below. Featured are Peter Capaldi, director Rachel Talalay, The Veil actor Jami Reid-Quarrell (also Colony Sarf in The Magician's Apprentice/The Witch's Familiar), and writer Steven Moffat.
PLEASE NOTE: This post has been updated with two new videos (they're at the top)