When Orko accidently winds up on Earth during winter, he befriends two children who tell him all about Christmas. The Christmas holiday catches on Eternia and all our heroes and heroines from Etheria join in a grand celebration. All the merriment attracts unanted attention from Skeletor and the Evil Horde. Can He-Man and She-Ra beat them with the power of the Christmas spirit on their side? This also marks the first and only appearance of a race known as the Manchines!