The odds for a white Christmas in London have dramatically increased thanks to Pop Up Screens. Head to Notting Hill's 20th Century Theatre and step through their magic wardrobe to discover a secret cinema surrounded by snow. Rumour has it that a bar filled with an abundance of mulled wine, hot chocolate, brownies and popcorn also lies within. Only one way to find out right? The screening this time around is A Christmas Story. All little Ralphie wants for Christmas is a Red Ryder BB Gun. But everyone from his mum to Santa tells him it’s not an appropriate toy. Cue Ralphie’s mission to change their minds and receive the best present ever. Certificate: PG. Runtime: 1 hour 34 minutes. Doors open at 12:00pm. Film starts at 1:00pm. Seating is unallocated, but the screen is on a stage so it's hard to get a bad view.