This Summer, join the Griswold Family on their newest series of misadventures, on their way to Walley World! This latest installment in the National Lampoon’s Vacation series, Vacation, will surely have you in stitches! The all-star cast includes Ed Helms, Christina Applegate, Leslie Mann, Chris Hemsworth, Chevy Chase, and Beverly D’Angelo! Get ready for a fun and exciting journey with your favorite characters! Set for release on July 29th, 2015, this is sure to be an instant classic! Check out the hilarious trailer below!