Masters of the Universe is a 1987 science fiction fantasy film, based on the toy line of the same name. The film stars Dolph Lundgren as He-Man and Frank Langella as Skeletor, alongside Jon Cypher as Man-At-Arms, Chelsea Field as Teela, Billy Barty as Gwildor, and Courteney Cox as Julie. The film was released in the United States on August 7, 1987, after the popularity of the toy line and cartoon had peaked.
After the Sorceress suffers from a nightmare of events long past, the Sword of Protection reveals itself along with a dimensional gate to an unknown world. He-Man is sent on a secret mission to find the rightful owner of the sword and winds up on Etheria. This was the first theatrical release for Masters of the Universe which introduced He-Man's twin sister She-Ra to the world!
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!