This episode is presented by the Academy Award-Winning film 1917. Available now on Digital streaming and on Blu-ray and DVD March 24th. Sam Mendes' acclaimed WWI film was a hugely ambitious undertaking for all involved, including Oscar-winning visual effects supervisor Guillaume Rocheron ("Ad Astra," "Life of Pi"). In this edition of Filmspotting: The Process, Rocheron describes the unique challenges that the film's "single-shot" approach created, and how his VFX team collaborated with Mendes and cinematographer Roger Deakins to bring some of the film's most memorable scenes to life. Learn more about your ad choices. Visit megaphone.fm/adchoices