Doctor Who: Under the Lake

SINOPSIS

The Time Lord and Clara set out to save the frightened crew of an underwater base who have come under attack from a mysterious threat. However, when the team start getting killed, they refuse to stay dead - leading their colleagues to believe that ghosts are real. Can the Doctor get to the bottom of the mystery before everyone is wandering around like zombies? Peter Capaldi and Jenna Coleman star, with guest appearances from Paul Kaye (Game of Thrones), Morven Christie (Grantchester) and Colin McFarlane (The Dark Knight).