Looking for a programme that isn't slathered in festive sentimentality? There's certainly not a sliver of tinsel in sight here. Written by Peep Show's Jesse Armstrong, it's the last in a trio of dark satires on our media-obsessed age. Toby Kebbell and Jodie Whittaker are among the actors trapped in a world where people can opt for a memory implant that records, and stores, all they do, see and hear. But total recall has its downsides.