Hoping to avoid the mayhem that marked his friend's Las Vegas bachelor party, Stu (Ed Helms) opts for what he thinks will be a safe prewedding brunch in Thailand.

Phil (Bradley Cooper), Stu (Ed Helms), Alan (Zach Galifianakis) and Doug (Justin Bartha) travel to exotic Thailand for Stu's wedding. What could go wrong? Director Todd Phillips' explosively funny follow-up to his award-winning smash hit demonstrates that though what happens in Vegas may stay in Vegas, what happens in Bangkok can hardly be imagined. Languages and Subtitles: English, French and Spanish, Gag Reel, "Comedy Rhythm of Todd Phillips", "Not Your Everyday Monkey", "Bangkok Tour with Mr. Chow", Action Mash-Up, "The Hangover 2" Laugh Track.