🎞️: Behind the scenes look at Heath Ledger’s Joker in “The Dark Knight” (2008). ‘The Dark Knight‘’s 15th Anniversary - In a special feature for “Gotham Uncovered: Creation of a Scene“, director Christopher Nolan discusses the now famous hospital explosion scene: “[Special effects supervisor Chris Corbould] was able to come up with a scenario in which Heath could actually be walking out of the building because what Chris worked out is if we put in a little beat where the first set of explosions