Three guys (Bradley Cooper, Ed Helms, and Zach Galifianakis) wake up in Las Vegas the morning after their buddy's bachelor party to realize that one of them is missing a tooth, there's a baby and a tiger in their room, they've acquired a police car,and the groom-to-be is nowhere to be found. With no memory of the night before, the trio embarks on a hilarious journey to piece together what happened to them and find their missing friend. Raunchy comic romp also stars Heather Graham, and Mike Tyson as himself. R-rated version; 100 min./Unrated version; 108 min. Widescreen (Enhanced); Soundtracks: English Dolby Digital 5.1, Spanish Dolby Digital 5.1, French Dolby Digital5.1; Subtitles: English (SDH), Spanish, French; featurettes; gag reel; photo gallery; bonus digital copy of theatrical version for PC. Two-disc set.