Black Mirror: the five best episodes so far

Black Mirror is back. From an 80s lesbian romance to a murderous choose-your-own adventure, here are the essential dystopian stories you must watch before the new season drops next week Be Right Back Season 2, Episode 1 Starring the wickedly talented duo of Hayley Atwell and Domhnall Gleeson, Be Right Back was the first Black Mirror episode to tackle death and grief, topics that would pop up again in later instalments, and which are ripe for the kind of existential, brain-scrambling tales that Brooker and co do best. Atwell plays Martha, who resurrects her late boyfriend Ash (Gleeson) as a chatbot and then later as a seemingly realistic AI robot who shares Ashs appearance but sadly not the subtle details …