The Hangover Part II takes no chances and opts for a safe, subdued pre-wedding brunch. Things do not go as planned, resulting in another bad hangover with no memories of the previous night. Development began in April 2009, two months before "The Hangover" was released. The principal actors were cast in March 2010 to reprise their roles from the first film. Production began in October 2010, in Ontario, California, before moving on location in Thailand. The film was released on May 26, 2011 and became the highest-grossing R-rated comedy during its theatrical run. A third and final installment, "The Hangover Part III", was released
The Hangover Part II to the audience's capacity for raunchiness. It gets laughs, but some of them are in disbelief". Conversely, Michael Rechtshaffen of "The Hollywood Reporter" gave "The Hangover Part II" a positive review remarking, "What happens in Bangkok isn't as much fun as when it happened in Vegas, but it's still worth the trip". Lou Lumenick of the "New York Post" said, "There are definitely laughs to be had, even if the three leads often seem to be going through the motions". Crystal, a capuchin monkey who also appeared in the "Night at the Museum" films, portrays the drug-dealing monkey. Director Todd