With Antonia Quirke.

Todd Phillips explains how an impromptu pitch in the back of a limo led to the billion dollar blockbuster Joker. And he reveals how he dealt with the huge controversy about the film in the United States before the movie had even been released.

Cinematographer Roger Deakins takes us behind the scenes of 1917 and reveals how he made the war movie look like one continuous shot.

Neil Brand explains the reasons why Michael Nyman's score for Practical Magic was binned at the last minute and why the composer believes it's one of his best pieces of music for film.