The Hangover

A 2009 American comedy directed by Todd Phillips, with a script by Jon Lucas and Scott Moore. The film follows a group of friends who decide to throw an unforgettable bachelor party in Las Vegas before their friend Doug's (Justin Bartha) wedding. Along with his brother-in-law Alan (Zach Galifianakis) and friend Phil (Bradley Cooper), they head to the city of entertainment. Waking up the next morning after a wild night, they find they can't remember the events of the previous evening, and the groom is missing. In their hotel room, they discover a tiger and a six-month-old baby in the closet. The friends attempt to piece together the events of the night, encountering various absurd situations, to find and return Doug before his wedding.