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 than twice that of "Land of the Lost", which finished third with $18.8 million. The film exceeded Warner Bros.' expectations—which had anticipated it would finish third behind "Up" and "Land of the Lost"—benefiting from positive word-of-mouth and critical praise, and a generally negative buzz for "Land of the Lost". It stayed at the number one position in its second weekend, grossing another $32,794,387, from 3,355 theaters for an average of $9,775 per venue, and bringing the 10-day amount to $104,768,489. "The Hangover" was released on DVD, Blu-ray, and UMD on December 15, 2009. There is a single-disc theatrical version featuring