Better watch out! The big guy in red is coming to town once again. This time, Scott Calvin -- also known as Santa Claus -- finds out there's an obscure clause in his contract requiring him to take on a wife. He has to leave the North Pole to fulfill his obligations, or else he'll be forced to give up his Yuletide gig.
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.
Inside a snowflake exists the magical land of Whoville. In Whoville, live the Whos, an almost mutated sort of Munchkin-like people. All the Whos love Christmas, yet just outside of their beloved Whoville lives the Grinch. The Grinch is a nasty creature that hates Christmas, and plots to steal it away from the Whos, whom he equally abhors. Yet a small child, Cindy Lou Who, decides to try befriending the Grinch.
Fred Claus and Santa Claus have been estranged brothers for many years. Now Fred must reconcile his differences with his brother whom he believes overshadows him. When an efficiency expert assesses the workings at the North Pole and threatens to shut Santa down, Fred must help his brother to save Christmas.
Kris Kringle, seemingly the embodiment of Santa Claus, is asked to portray the jolly old fellow at Macy's following his performance in the Thanksgiving Day parade. His portrayal is so complete that many begin to question if he truly is Santa Claus, while others question his sanity.
Fueled by cheap whiskey, greed and hatred, Willie Soke teams up with his angry little sidekick, Marcus, to knock off a Chicago charity on Christmas Eve. Along for the ride is chubby and cheery Thurman Merman, a 250-pound ray of sunshine who brings out Willie's sliver of humanity. Issues arise when the pair are joined by Willie's horror story of a mother, who raises the bar for the gang's ambitions, while somehow lowering the standards of criminal behavior.
Tired of scaring humans every October 31 with the same old bag of tricks, Jack Skellington, the spindly king of Halloween Town, kidnaps Santa Claus and plans to deliver shrunken heads and other ghoulish gifts to children on Christmas morning. But as Christmas approaches, Jack's rag-doll girlfriend, Sally, tries to foil his misguided plans.
6-year-old Susan Walker has doubts about childhood's most enduring miracle—Santa Claus. Her mother told her the 'secret' about Santa a long time ago, but, after meeting a special department store Santa who's convinced he's the real thing, Susan is given the most precious gift of all—something to believe in.