National Lampoon's Christmas Vacation

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.

manthabeat

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.

David Schaal

More mistakes in National Lampoon's Christmas Vacation

Todd: Hey, Griswold. Where do you think you're gonna put a tree that big?
Clark: Bend over and I'll show you.
Todd: You've got a lot of nerve talking to me like that, Griswold.
Clark: I wasn't talking to you.

More quotes from National Lampoon's Christmas Vacation

Trivia: When Clark smashes up the decorations when he can't get the lights working, Chevy Chase genuinely broke a finger when he punched Santa, but stayed in character, kicking the decorations instead, and that's the take used in the film.

More trivia for National Lampoon's Christmas Vacation

Chosen answer: Because there was cat food in her jello mould. He's pointing out the absurdity of someone adding cat food to jello.

More questions & answers from National Lampoon's Christmas Vacation

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