Three hours of a bloke slowly realising he probably shouldn't have built the thing he just built.
Fun fact: Kodak had to manufacture new IMAX black-and-white film stock for this film because none had ever existed.
Nolan really said what if we put a dream inside a dream and then charged you fifteen quid to be confused.
Fun fact: "The rotating hallway fight used a real 100-foot corridor built on a giant motor, with no CGI."