The whole gang are back and as close as ever. They decide to get even closer by spending the summer together at a beach house. They decide to hold the biggest party ever to be seen, even if the preparation doesn't always go to plan. Especially when Stifler, Finch and Jim become more close to each other than they ever want to be and when Jim mistakes super glue for lubricant...
Elenco: Jason Biggs , Thomas Ian Nicholas , Chris Klein , Seann William Scott , Eddie Kaye Thomas , Shannon Elizabeth , Alyson Hannigan , Natasha Lyonne , Tara Reid , Mena Suvari , Chris Owen , Eugene Levy , Molly Cheek , Denise Faye , Lisa Arturo , John Cho , Justin Isfeld , Eli Marienthal , Casey Affleck , Tsianina Joelson , Lacey Beeman , Bree Turner , Brian Turk , Joelle Carter , Larry Drake , Lee Garlington , Ernie Lively , Morgan Nagler , George Wyner , Matthew Frauman , Brian Lester , Nigel Gibbs , Kevin Cooney , Marilyn Brett , JoAnna Garcia , Jesse Heiman , Jack Wallace , Serah D'Laine , Nora Zehetner , Luke Edwards , Adam Brody , Steven Shenbaum , Nancy Stone , Kevin Kilner , Cole Petersen , Paityn James , Joseph D. Reitman , Mike Erwin , Robert Peters , Laurie Reeves , Jennifer Coolidge , Curt Clendenin , Marco Sanchez , Christina Cindrich , Matthew Peters , Lisa Gould , David Smigelski , Amanda Armato , Amara Balthrop-Lewis , Jay Rossi , Adam Herz , J.B. Rogers , Brett Shuttleworth , Amanda Wilmshurst , Devon Davidson , Daniel Spink , Tamia Richmond , Rachel Blasko , Derrick Harper , Kelley Schneider , Dan Andreiu , Hallie Bird , Nicole Brunner , Don 'Tex' Clark , April Florio , Marc S. Gordon , Victoria Gray , Phil Hawn , Matt Hobbie , Meagan Lopez , Sandra Stone , Tara Rice , Elaine Szupello , Jason Tatum , Tadpole Triplett , Clyde Tull , Robert Warnack , Bryan Watkins , Steven Paul Zsenyuk .