To celebrate the 50th anniversary of cult sci-fi TV favourite Doctor Who, writer, filmmaker and devoted Whovian Derek O’Connor offers an idiosyncratic and personal take on the show’s turbulent history, from its ’60s heyday to ’80s nadir and triumphant 21st century rebirth, in Bigger on the Inside – Doctor Who @ 50 (November 19th, 16.30). Reserve your free ticket at the IFI Box Office.