Audio problem: During dinner on Christmas Eve there is a shot of the cat chewing on Christmas lights. The sound of the cat chewing is a fraction of a second off.

National Lampoon's Christmas Vacation (1989)
1 audio problem - chronological order
Directed by: Jeremiah S. Chechik
Starring: Chevy Chase, Juliette Lewis, Diane Ladd, Beverly D'Angelo, John Randolph, Johnny Galecki
Factual error: In the scene where Clark is working on the lights the full moon is shown. This is December 14th according to the advent calendar. On December 24th when Santa's sleigh goes sailing over the moon, it is still full.
More quotes from National Lampoon's Christmas VacationMore trivia for National Lampoon's Christmas Vacation
More questions & answers from National Lampoon's Christmas Vacation




