Feeling forgotten by the children of the world, old St. Nick decides to skip his gift-giving journey and take a vacation. Mrs. Claus and two spunky little elves, Jingle and Jangle, set out to see to where all the season's cheer has disappeared. Aided by a magical snowfall, they reawaken the spirit of Christmas in children's hearts and put Santa back in action.

In this animated children's film, Mother Goose and her fairytale friends must stop a group of sneaky spies.

When a little Martian boy playing hooky crashes his "borrowed" saucer into the house, Casper shows him around, but the Martians are convinced that the saucer was stolen by humans and declare war on the Earth.

The Ghostly Trio make mischief by slipping Casper an enlarging potion.

The Trio see Casper reading a book about insects and decide if they could become tiny, they could spook all the insects in the Enchanted Forest. Fatso tricks Casper into getting them some magic reducing pills from the witches.

The evil Eastern magician Ali Booboo feeds an ensorcelled apple to Nightmare, turning her into his slave. Casper and Wendy must pursue Booboo to his castle in the clouds to rescue their friend.

Casper helps a lost ghost named Something to find his mother.

Wendy's aunts and Casper's uncles magic up mischievous twins of Casper and Wendy to cause trouble around the Enchanted Forest

Casper must foil the plans of an evil scientist who is trying to block the light of the sun from reaching Earth.

A boatload of Pilgrims is attacked by a sea monster and Casper tries to help them.