Joaquin Phoenix lost 24 kilos to play a failed comedian who snaps, and somehow you end up feeling sorry for him.
Fun fact: Phoenix improvised the fridge scene — he actually climbed inside and the crew just kept filming.
Told backwards so you feel exactly as lost as the bloke with no memory, which is proper clever.
Fun fact: A hidden feature on the original DVD lets you watch the entire film rearranged in chronological order.