The West Coast Wally World theme park is the Griswold's holiday destination, and they intend to drive there cross-country all the way from their Chicago home. Father Clark (Chevy Chase) has planned the trip down to its last detail, but the trouble begins as soon as they hit the road.

T he family win a holiday to Europe. Contrary to their expectations, however, it is not a luxurious, all-expenses-paid kind of trip, but rather a cut-price, economy deal which takes them to some of the Old World's seedier locations. Of course, it's not long before they are caught up in all manner of misadventures.

T he Griswolds decide to spend the Christmas season at home. Needless to say, it is not as quiet as they had planned.

The clan head for the gleaming lights of Las Vegas. Unfortunately, Clark is soon transformed into a compulsive gambler, daughter Audrey (Marisol Nichols) becomes an exotic dancer and son Rusty (Ethan Embry) begins posing as a suave high roller.

- On National Lampoon's Vacation: Introduction by Chevy Chase,

Randy Quaid and Matty Simmons

- Commentaries by Chevy Chase, Randy Quaid, Beverly D'Angelo and more!

- Featurette Inside Story: National Lampoon's Vacation