Bishop73

Continuity mistake: When Clark is looking at his "bonus check", he's holding both the envelope and "check" together in both hands. In the next shot he's only holding the "check" in both hands and the envelope is no longer under it.

Bishop73

Revealing mistake: When Julia Louis-Dreyfus has the dog jump on her, you can tell it's a stunt double. In the shot of Julia, the gem on the back of her sequence dress and her hair doesn't go below the gem. When Snot is about to jump on her, the hair completely covers the gem and is much fuller and looks like a wig.

Bishop73

Continuity mistake: When Clark falls over while on the ladder, after ripping his sleeve off, his hands keep changing position on the ladder. When he first starts to fall, his right hand is gripping the side and in the next shot both hands are gripping the rung. In the next shot both hands are on the side of the ladder until the shot after he pushes himself away from the tree and they go back to being on the rung for a shot.

Bishop73

Continuity mistake: When Clark is talking to the pretty saleswoman and she says "well, you do have your coat on", he tilts his head down and to his right. In the next shot his head is to his left and he moves it to the right.

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Trivia: When Clark finds the old home movies, one is titled "Xmas '59." "Christmas '59" was a short story John Hughes wrote that was published in National Lampoon magazine which the film is based on.

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Clark Griswold: [reciting 'Twas the Night Before Christmas.] When what to my wondering eyes should appear, but a miniature sleigh, and...and Eddie with a man in his pajamas and a dog chain tied to his wrist and ankles. What the...?

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Ellen Griswold: What are you looking at?
Clark Griswold: Oh, the silent majesty of a winter's morn. The clean, cool chill of the holiday air. An asshole, in his bathrobe, emptying a chemical toilet into my sewer.

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Clark Griswold: What are you doing up, sweetheart?
Ruby Sue Johnson: Rocky bit my thumb. Him's nervous because Christmas is almost here.
Clark: Nervous or excited?
Ruby Sue: Shittin' bricks.
Clark: You shouldn't use that word.
Ruby Sue: Sorry. Shittin' rocks.

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Mr. Shirley: Don't forget that report, Bill.
Clark Griswold: Yes, sir. Thank you, Merry Christmas. [To the executives with Mr. Shirley as they pass by.] Merry Christmas. Merry Christmas. Merry Christmas. Kiss my ass. Kiss his ass. Kiss your ass. Happy Hanukkah.

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