Having already twice proved that it's possible to make a top-grossing, gross-out picture that even chicks can dig, most of the original "American Pie" gang has returned for a third helping with the tellingly titled "American Wedding." [...] while the threatened final installment, or rather "the thrilling climax," of the "Pie" saga serves up the same mix of shock comedy and lovable characters, the familiar formula feels significantly watered-down the third time around. Too often, screenwriter Adam Herz's plotting seems to exist solely to set up one of those custom naughty sight gags rather than to advance any semblance of story.

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