Clark Griswold is on a quest to take his family to the Walley World theme park for a vacation, but things don't go exactly as planned.

After a drunken spree on a cruise ship, two women discover that they're pregnant, and set out to find who the fathers are.

An artist fails a test and is required to direct traffic in New York City's Holland Tunnel. He winds up falling in love with a beautiful woman, who takes him to the moon on a Lunar Cruiser.