The Sorceress realizes her old enemy Morgoth is attempting to return to Eternia. She decides to make a stand, and tells He-Man how her first battle against Morgoth caused her to take up the mantle of Sorceress of Grayskull.
Evil-Lyn finds the legendary Stone City the heroic warriors have been looking for and turns the recently awoken warrior leader Vokan against He-Man and Castle Grayskull.
Man-At-Arms recounts how Adam found Cringer when they were both still young, and how Cringer first became Battlecat during a battle against the dreaded Gedge.
While exploring the desert, He-Man and Orko come across an old temple. While playing with one of the machines, inside, Orko accidentally brings Tamusk, one of Eternia's most admired kings from the past into the present.
When Orko plucks the fabled Bitter Rose as a gift for Dree Elle, Rose Mountain starts to crumble and threatens to destroy the village of the Insect People. Now aware of it's power, Skeletor also wants to get his hands on the Rose.
Melbrag the Gambler tricks Smudge the Widget into giving him some precious Coridite, then uses it to weaken and capture He-Man for Skeletor as a prize.
Skeletor sends Zoar to another world, not realizing she is really the Sorceress. The Spirit of Grayskull calls for help and implores Teela to take the Sorceress' place.
Orko's old friend Squonge from the Trollan Academy of Magic comes to visit. This Trollan has a tendency to tell tall tales. When he is the first to notice the arrival of the dangerous Slavemaster on Eternia, nobody believes him.
Skeletor tricks He-Man into believing he accidentally killed a man. Distraught, Adam decides to give up being He-Man and throws the Powersword into Grayskull's abyss.
Count Marzo plans to put the youth of Eternia under his spell by introducing them to the addictive plant the Black Nightmare. His first victim is Boy of the Year Jonno.
Adam and Duncan rescue a robot pilot from its crashed spaceship and manage to fix it back up. But Modulok breaks into the palace to claim Roboto's power for himself.
He-Man and Man-At-Arms are invited to Darksmoke and Orko tags along. But the evil dragon Morningstar steals the magic flame of Granamyr and blames the Eternians to start a new war between Dragons and Humans.
Evil wizard Hexon has stopped time so he can become the new Emperor of Simbar. But Princess Kathay, daughter of the current Emperor, sets out to find the Sands of Time and soon receives help from He-Man and friends.
Skeletor steals Man-At-Arm's duplicating machine and creates an army of half-sized clones of himself. With these 'Skeletoids' he is certain he can take over Eternia for himself.
Beast Man and Trap Jaw kidnap Orko to be their slave, using a magic stone amulet that they stole. They intend to use the amulet to gain control of the palace, using Orko as a hostage turned slave.
Two Earth astronauts on a mission to destroy a magnetic meteor about to collide with Earth are sucked into a time portal and end up near Eternia instead.
The villagers of Ruxtown claim to be living in fear of the so-called Tingler of Fear Mountain, so Adam, Teela, Orko and Cringer take a Wind Raider out to investigate.
Evil-Lyn plans to magically disguise Kobra Khan so he can infiltrate Eternos on Eternia day, and Skeletor makes sure Orko won't hinder them by getting rid of his magic powers. He-Man and Orko travel to the Magic Falls to get them back.
Young Farin pretends to be He-Man's secret identity to impress his girlfriend Karil. But all his boasting lead him to be captured by self made villain Modulok who wants to join Skeletor's gang.
When the Toy Maker offers his services to Skeletor, he is tasked to kidnap Man-At-Arms. In pursuit, the heroic warriors must cross the treacherous Valley of Echoes.
Angast, an evil king from the Dimension of Evil, has kidnapped the good wizard Landros. In order to win his freedom, his daughter Lady Arvela makes a bargain with him.
Skeletor orders Two Bad to capture Zagraz the comet keeper so he can force him to direct his comets to destroy Castle Grayskull. Soon the comets are causing trouble all over Eternia without Zagraz' direction.
Prince Adam, Melaktha and Moss Man board the Fairwind on an expedition to the ancient island continent of Avathar. But Trap Jaw is also on board, disguised as a sailor.
Fisto is chosen to represent the side of good in a series of games set by aliens. Spikor is infused with the villainous energy of all of Skeletor's minions so that he can be chosen to represent the side of evil and cheat.
Skeletor plans to replace his Beast Man with the evil inventor Maddok who has built a machine that can digitize wild animals and have them appear in another place, such as during King Randor's birthday celebrations.
Kobra Khan asks He-Man for help in restoring the Eternal Flame of his people, the Reptons. The heroic warriors agree to a truce, but find themselves betrayed as soon as they enter the cold zone.