Instead of flying to Florida with his folks, Kevin ends up alone in New York, where he gets a hotel room with his dad's credit card—despite problems from a clerk and meddling bellboy. But when Kevin runs into his old nemeses, the Wet Bandits, he's determined to foil their plans to rob a toy store on Christmas Eve.

Clark Griswold is on a quest to take his family to the Walley World theme park for a vacation, but things don't go exactly as planned.

12-year-old Henry Rowengartner, whose late father was a minor league baseball player, grew up dreaming of playing baseball, despite his physical shortcomings. After Henry's arm is broken while trying to catch a baseball at school, the tendon in that arm heals too tightly, allowing Henry to throw pitches that are as fast as 103 mph. Henry is spotted at nearby Wrigley Field by Larry "Fish" Fisher, the general manager of the struggling Chicago Cubs, after Henry throws an opponent's home-run ball all the way from the outfield bleachers back to the catcher, and it seems that Henry may be the pitcher that team owner Bob Carson has been praying for.

A Justice of the Peace performed weddings a few days before his license was valid. A few years later five couples learn they have never been legally married.

Having been discharged from the Marines for a hayfever condition before ever seeing action, Woodrow Lafayette Pershing Truesmith delays the return to his hometown, feeling that he is a failure. While in a moment of melancholy, he meets up with a group of Marines who befriend him and encourage him to return home to his mother by fabricating a story that he was wounded in battle with honorable discharge.

A small-town girl with a soft spot for American soldiers wakes up the morning after a wild farewell party for the troops to find that she married someone she can't remember.

To Jane Falbury's New England farm comes a troup of actors to put up a show, invited by Jane's sister. At first reluctant she has them do farm chores in exchange for food. Her reluctance becomes attraction when she falls in love with the director, Joe, who happens to be her sister's fiance.

Three friends enter military school together, but two of them don't know that the third one is secretly married.

Shy sailor Casey Kirby suddenly becomes known as a sea wolf when his picture is taken with a famous actress. Things get complicated when bets are placed on his prowess with the ladies.

The Irresponsible Toad is in a mess and needs help from his friends try and save Toad Hall.