Bradley Cooper, Zach Galifianakis and Ed Helms return for the third and final part of 'The Hangover' trilogy, directed by Todd Phillips. Following the death of Alan (Galifianakis)'s father, he and his best mates Phil (Cooper) and Stu (Helms), aka the Wolfpack, head out on a road trip on which they get caught up in another misadventure, encountering a number of eccentric characters on the way and ending up back in Las Vegas. Justin Bartha, Ken Jeong, Heather Graham and John Goodman co-star, with Mike Tyson also making an appearance. Extra Content • Replacing Zach: The Secret Auditions--After the massive success of Hangover Part 1 and 2 Todd Phillips has had enough of the bad boy antics of Zach Galifianakas, and goes about secretly auditions actors to replace Zach for the role of "Alan" forever altering the course of Hangover History. • Outtakes--A must have collection of hilarious, raw, uncut takes of your favorite Hangover Part III scenes. • The Wolfpack's Wildest Stunts--Witness the fun and fear the cast had pulling off the biggest stunts and action sequences in the entire series: Zip-line over Vegas Blvd. Zach dangling off the Ceasar's Palace Sign • The Wolf Pack - Wrestling!--Physical comedy doesn't get much bigger than this. • Zach Galifianakis in his own Words--In one of the most challenging interviews of his career, actor Zach Galifiankis finds a like minded interviewer who joins in on the shenanigans. • Pushing the Limits • Action Mash-Up • Extended Scenes • Inside Focus: The Real Chow