Join stars Peter Capaldi and Matt Lucas, showrunner Steven Moffat, and many more for this very special inside look at the making of ‘The Return of Doctor Mysterio.’

The chefs are baffled to enter a dark, empty kitchen, with all signs pointing to a biscuit challenge. Later, they must work through the night to prepare a whole hog and three side dishes for 150 barbecue fans, including music star Darius Rucker. Appearing: foodie John Currence and barbecue master Rodney Scott.