The Cromwell clan live in the real world, except for their grandmother who lives in Halloweentown, a place where monsters go to escape reality. But now the son of the Cromwells' old enemy Kalabar has a plan to use the grandmother's book to turn Halloweentown into a grey dreary version of the real world, while transform the denizens of the real world into monsters. Only Marnie, a fledgling witch, can thwart the evil scheme.

In a world where the holidays are run by the efficient Bureau of Yuletide Affairs, a bitter and burned-out Ghost of Christmas Past decides to go AWOL while on a "mission" and leave his "target" stranded in 1965.

The third installment in the series of films that began with 2000's MVP: Most Valuable Primate finds the athletically inclined chimp Jack taking to the slopes. After hooking up with some kids in Colorado, the charming chimp is soon tearing up the mountainside on a snowboard.

While other kids buy into countless hours of studying just so they can get a mark in some teacher's report book, Handsome Davis sees it as nothing more than a system of control over your mind. That's why Handsome and his three best friends Sammy, Victor and the cribsheet genius Applebee have banded together and found ways to cheat on their tests all through their school years. Everything had been going along smoothly until the gang entered their final year of high school and the stakes were upped by the school's principal, Mrs. Stark. If they get caught cheating again Stark will make a note in their permanent records and possibly kill their chances of getting into college. But can Handsome convince his pals to pull off one last, great cheat with him and outsmarting Stark and the system, even if it means possibly destroying their friendships?

While practicing motocross in Hawaii, Sean Jones witnesses the brutal murder of an important American prosecutor by the powerful mobster Eddie Kim. He is protected and persuaded by the FBI agent Neville Flynn to testify against Eddie in Los Angeles. They embark in the red-eye Flight 121 of Pacific Air, occupying the entire first-class. However, Eddie dispatches hundred of different species of snakes airborne with a time operated device in the luggage to release the snakes in the flight with the intent of crashing the plane. Neville and the passengers have to struggle with the snakes to survive.