The film follows the "Wolfpack" Phil, Stu, Doug, and Alan as they try to get Alan the help he needs after facing a personal crisis, after the bachelor party in Bangkok. However, things go awry when an incident from the original film comes back to haunt them. In January , the principal actors re-signed to star.
In March , Warner Bros. Memorial Weekend release. The supporting roles were cast between June and September The film had its world premiere on May 20, , in Los Angeles, California , and was theatrically released worldwide on May 23, , by Warner Bros.
It received generally negative reviews from critics, who found it a disappointing conclusion to the trilogy. Leslie Chow escapes from prison during a prison riot in Thailand by digging a hole in a wall. Alan's father Sid, furious, dies of a heart attack mid-lecture. The group attends an intervention in which Alan agrees to visit a rehabilitation facility in Arizona and seek treatment as long as the "Wolfpack" take him there.
Phil's minivan is rammed off the road by a rental truck and the Wolfpack is taken hostage. They are later confronted by crime lord Marshall.
Marshall takes Doug as insurance and gives the others three days to find Chow, or else Doug will be killed. Alan sets up a meeting with Chow in Tijuana , where Stu and Phil will hide and attempt to drug him. However, Alan accidentally reveals their location and Chow forces them to confess they are working for Marshall.
