One night in Vegas proves to be more than four guys arriving for a bachelor party can handle in this riotously raunchy, Golden Globe-winning comedy. With short-term memory proving elusive, the three groomsmen-the groom-to-be's two best friends and his lunatic future brother-in-law-awaken to find: 1) a tiger in their bathroom; 2) a baby in their closet; and 3) the groom is missing. With time running out before the nuptials, the trio race to recover their friend--and their memories--before it's too late.

Starring Bradley Cooper, Ed Helms, Zach Galifianakis and Heather Graham with Justin Bartha and Jeffrey Tambor. Directed by Todd Phillips; written by Jon Lucas & Scott Moore.

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