The trailer for the 3rd and final (apparently) Hangover film is here. The wolf back go back to vegas, for reasons we do not know yet. Todd Phillips has said that this time it won't be using the same template as the last two. The film stars Bradley Cooper, Ed Helms, Zach Galifianakis and Justin Bartha with Todd Phillips directing a screenplay written by himself and Craig Mazin. The Hangover Part III is scheduled for release on May 24, 2013.