Film: Unknown, C5, 11.05pm

Thriller starring Liam Neeson and Diane Kruger (both above). While in Berlin for a biotechnology conference, scientist Dr Martin Harris is involved in a car accident that leaves him in a coma. He wakes up four days later with blanks in his memory and no identification. When he returns to his hotel, his wife Elizabeth says she has never met him before. From the same director who brought us The Shallows.