'National Lampoon's Christmas Vacation' Quiz

Her name was Mary too.

Clark is desperate to get the family a swimming pool with his money, since he already put down a deposit he couldn't afford.

Sparky is Ellen's pet name for him.

He gets trapped in the attic while doing so.

Eddie, Catherine and their young kids all show up uninvited.

He finds a trove of awesome clothing and gets teary watching old movies.

Kevin McCallister and Clark Griswold sprung from the same mind.

Snot is a lovely name for a lovely dog.

Clark goes a little too fast with his newfangled sled lubricant.

Juliette Lewis would go on to have a successful film career.

In a road rage-related driving mishap, Clark ends up driving under a logging truck.

Uncle Lewis's hair comes off with his hat.

Louis-Dreyfus shows up as the snobby yuppie neighbor.

Snot has a robust appetite.

In 2018, Juliette Lewis and Johnny Galecki would play a couple on "The Connors."

It's a good deal! Eddie got a car AND a house, really.

As Cousin Eddie says, that's the gift that keeps on giving the whole year.

That's right, 25,000. Clark never overdoes anything.

The cat was chewing on the Christmas lights when Clark plugged them in.

Unfortunately, they find out the squirrel lives in the tree after it is in the house.

Eddie kidnaps Clark's boss to exact revenge for the lost bonus.

Her recitation of the "Pledge of Allegiance" is a very patriotic, albeit misplaced, moment during Christmas dinner.

While Anthony Michael Hall made the role famous in the first film, Johnny Galecki starred in "Christmas Vacation" before joining "Roseanne."

He wears the Chicago Bears hat throughout all the films.

Clark takes a chainsaw to a tree in the front lawn.

Well. It was a little wobbly.

Aunt Bethany got confused (and patriotic) again.

Ruby Sue is a pretty happy kid, all things considered.

"Christmas Vacation" was the third film after "Vacation" and "European Vacation."