Scott Calvin is an ordinary man, who accidentally causes Santa Claus to fall from his roof on Christmas Eve and is knocked unconscious. When he and his young son finish Santa's trip and deliveries, they go to the North Pole, where Scott learns he must become the new Santa and convince those he loves that he is indeed, Father Christmas.
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.
Bitter and hateful, the Grinch is irritated at the thought of a nearby village having a happy time celebrating Christmas. Disguised as Santa Claus, with his dog made to look like a reindeer, he decides to raid the village to steal all the Christmas things.
Luther Krank is fed up with the commerciality of Christmas; he decides to skip the holiday and go on a vacation with his wife instead. But when his daughter decides at the last minute to come home, he must put together a holiday celebration.
Each Christmas, Santa and his vast army of highly trained elves produce gifts and distribute them around the world in one night. However, when one of 600 million children to receive a gift from Santa on Christmas Eve is missed, it is deemed ‘acceptable’ to all but one—Arthur. Arthur Claus is Santa’s misfit son who executes an unauthorised rookie mission to get the last present half way around the globe before dawn on Christmas morning.
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.
Howard Langston, a salesman for a mattress company, is constantly kept busy at his job, disappointing his son. After he misses his son's karate exposition, Howard vows to make it up to him by buying an action figure of his son's favorite television hero for Christmas. Unfortunately for Howard, it is Christmas Eve, and every store is sold out of Turbo Man. Now, Howard must travel all over town and compete with everybody else to find a Turbo Man action figure.
When young Buddy falls into Santa's gift sack on Christmas Eve, he's transported back to the North Pole and raised as a toy-making elf by Santa's helpers. But as he grows into adulthood, he can't shake the nagging feeling that he doesn't belong. Buddy vows to visit Manhattan and find his real dad, a workaholic publisher.
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.
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.
Six-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.
Caroline and Lloyd are a married couple constantly at each other's throats, masters at crafting acid-tongued barbs at the other's expense. Indeed, they are so obsessed with belittling each other that they never stop -- not even at gunpoint. The gunman is Gus, a thief on the run from the police, who kidnaps the couple as an insurance policy, planning to use their home as a hideout. But their incessant bickering proves more than Gus bargained for, forcing him -- for the sake of his own sanity -- into the unenviable role of peacemaker. To make things even worse for Gus, he discovers that he has taken the couple hostage the night of their big Christmas party, and the guests are already on the way. Not wanting to leave Lloyd and Caroline unattended, Gus opts to attend the party, pretending to be the couple's marriage counselor. This naturally leads to a series of comic confusions, as the hostage crisis and marital tensions head towards their inevitable conclusion.
Determined to unseat Steve Finch's reign as the town's holiday season king, Buddy Hall plasters his house with so many decorative lights that it'll be visible from space! When their wives bond, and their kids follow suit, the two men only escalate their rivalry - and their decorating.
Now that Santa and Mrs. Claus have the North Pole running smoothly, the Counsel of Legendary Figures has called an emergency meeting on Christmas Eve! The evil Jack Frost has been making trouble, looking to take over the holiday! So he launches a plan to sabotage the toy factory and compel Scott to invoke the little-known Escape Clause and wish he'd never become Santa.
Kris Kringle's daughter, Noelle, sets off on a mission to find and bring back her brother, after he gets cold feet when it's his turn to take over as Santa.
When his dysfunctional family clashes over the holidays, young Max is disillusioned and turns his back on Christmas. Little does he know, this lack of festive spirit has unleashed the wrath of Krampus: a demonic force of ancient evil intent on punishing non-believers.
When Billy Peltzer is given a strange but adorable pet named Gizmo for Christmas, he inadvertently breaks the three important rules of caring for a Mogwai, and unleashes a horde of mischievous gremlins on a small town.
Two women, one from the United States and one from the United Kingdom, swap homes at Christmastime after bad breakups with their boyfriends. Each woman finds romance with a local man but realizes that the imminent return home may end the relationship.
When Edna—the elderly and widowed matriarch of the family—goes missing, her daughter and granddaughter travel to their remote family home to find her. Soon after her return, they start to discover a sinister presence haunting the house and taking control of Edna.