Rusty Griswold takes his own family on a road trip to "Walley World" in order to spice things up with his wife and reconnect with his sons.

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Cast: Ed Helms, Christina Applegate, Skyler Gisondo, Steele Stebbins, Chris Hemsworth, Leslie Mann, Chevy Chase, Beverly D'Angelo, Charlie Day, Catherine Missal, Ron Livingston, Norman Reedus, Keegan-Michael Key, Regina Hall, Emyri Crutchfield