Christmas Vacation (1989)
Review, cast and crew information, and plot summary at the Internet Movie Database.
The Flick Filosopher
Review, plot summary, and a little trivia on the movie.
The Nitpickers Site: National Lampoon's Chris
Index of nitpicks on the movie National Lampoon's Christmas Vacation.
Warner Home Video: National Lampoon's Christm
Official DVD site with synopsis, pictures, and forum.