An irritable marketing executive, Neal Page, is heading home to Chicago for Thanksgiving when a number of delays force him to travel with a well meaning but overbearing shower ring curtain salesman, Del Griffith.

It's Christmastime, and the Griswolds are preparing for a family seasonal celebration. But things never run smoothly for Clark, his wife Ellen, and their two kids. Clark's continual bad luck is worsened by his obnoxious family guests, but he manages to keep going, knowing that his Christmas bonus is due soon.

The Griswalds win a vacation to Europe on a game show, and so pack their bags for the continent. They do their best to catch the flavor of Europe, but they just don't know how to be be good tourists. Besides, they have trouble taking holidays in countries where they CAN speak the language.

The Griswold family hits the road again for a typically ill-fated vacation, this time to the glitzy mecca of slots and showgirls—Las Vegas.

Peter Highman must scramble across the US in five days to be present for the birth of his first child. He gets off to a bad start when his wallet and luggage are stolen, and put on the 'no-fly' list. Peter embarks on a terrifying journey when he accepts a ride from an actor.