Skeletor and Evil-Lyn send a disguised Kobra Khan to Palace Eternia to disrupt the Eternia Day Celebration. But knowing Orko's magic will see through Khan's disguise, Evil-Lyn uses her magic to erase Orko's entirely. He-Man and Orko set out to recover Orko's missing magic, but the only way they can do it is by finding the Magic Falls- can they reach them in time?