He-Man & She-Ra: A Krismas Special is a 1985 animated special that served as a crossover between He-Man and the Masters of the Universe and She-Ra: Princess of Power. It became somewhat infamous for its corniness, but if anda ask me, this special is a lot of fun.

The Plot:

The citizens of Eternia have been unaware of what Krismas is about. When Orko meets up with two children from Earth, he starts to learn what Krismas is about. Horde Prime orders Skeletor and Hordak to go after the kids, so it's up to He-Man and his sister, She-Ra, to save the day. Along the way, the Krismas spirit...