The Hangover (film series) 2010, in Ontario, California, before moving on location in Thailand. Two years after "The Hangover Part II", Phil, Stu, and Doug are happily living uneventful lives at home. The only member of the Wolfpack who is not content is Alan. Still lacking a sense of purpose, Alan has ditched his meds and given in to his natural impulses until the untimely death of his father forces him to finally re-evaluate his lifestyle and seek the help he needs. Phil, Stu, and Doug are there to make sure Alan takes the first step. This time, Alan gets married to Cassandra, and
The Hangover Part II trailer was released online in February 2011. The first full trailer was released in April 2011. Later in the same month Warner Bros. pulled the trailer from theaters for violating an MPAA rule stating that films can only trailer before similarly rated movies. The trailer for the R-rated comedy was being promoted at screenings for the PG-13-rated "Source Code" against MPAA regulations. Warner Bros. released a statement saying, "In our haste to meet the placement schedule for this trailer, we failed to properly vet the final version with the MPAA. We acted immediately to correct the mistake and removed the