A leprechaun, who had changed himself into a pumpkin seed to hibernate for the winter, comes to life as Mr. Jack O'Lantern, who then uses his pumpkin shell to help scare away Zelda the Witch and Archibald the Warlock.

Part of the animated anthology series 'Festival of Family Classics' by Rankin/Bass Productions, this adaptation follows a blonde, pig-tailed Alice as she visits the bewildering world of Wonderland. Alice encounters a host of characters including the blue Caterpillar, Mad Hatter, March Hare, Cheshire Cat, the Dormouse, who looks and sounds like a punch-drunk fighter, and the Red Queen, who uses a flamingo for a croquet mallet.

With the help of Charles Dickens, two young children attempt to save the essence of Christmas from the evil Mantu.