Series 11. The National Anthem: Prime Minister Michael Callow faces a huge and shocking dilemma when Princess Susannah, a much-loved member of the Royal Family, is kidnapped. 2. 15 Million Merits: In the near future, everyone is confined to a life of strange physical drudgery. The only way to escape is to enter the 'Hot Shot' talent show and pray you can impress the judges. 3. In Memoria: A new memory implant means you'll never forget anything, but is that always a good thing? Series 21. Be Right Back: When a young man dies, his partner finds out that she can stay in touch with him by creating a virtual version of him through his online history.2. White Bear: Victoria wakes up and can't remember anything about her life. Everyone she encounters refuses to communicate with her and enjoys filming her discomfort on their phones.3. The Waldo Moment: An animated blue bear from a satirical comedy show, and the struggling comedian who plays him, are entered into a political race Special: White ChristmasA chilling feature-length seasonal special, starring Jon Hamm, Rafe Spall and Oona Chaplin. In a mysterious and remote snowy outpost, Matt and Potter share a Christmas meal together, swapping creepy tales of their earlier lives in the outside world.