Movies on Instagram: "In The Dark Knight (2008), Heath Ledger, playing the Joker, famously improvised during the iconic hospital explosion scene. As part of the Joker’s plan, he rigs Gotham General Hospital with explosives. In the original script, the detonation was supposed to go off seamlessly. However, during filming, there was a brief technical delay, and the larger explosion didn’t immediately happen as planned. Ledger, staying fully in character as the Joker, reacted brilliantly to the une