He-Man discovers a statue called, the Grimalken, from the temple of the Cat Folk. But a young feline, Katrina, warns him that it contains a imprisoned demon.
A temple is discovered inside Mount Eternia. Feeling useless, Orko decides to use the power of the temple to make him famous, but he ends up releasing the Energy Beast.
Man-At-Arms is becoming discouraged about his inventions. Skeletor sends a small demon into Man-At-Arm's main computer, which causes every machine in the palace to have a mind of its own.
The charming Lord Todd invites Teela to visit Castle Starg while He-Man is trying to stop a rampaging mole like monster that destroys everything in it's path.
Fisto recounts how he used to work for Skeletor and terrorize the forest he lives in, but had a change of heart because of the kindness of a young girl.
Orko messes up Man-At-Arms and Teela's preparations for the King and Queen's wedding anniversary. When he decides to run away, Cringer goes along to keep an eye on him.
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.
Buzz-Off reports a floating island may be connected to a series of disappearing food ships. When Adam and Man-At-Arms investigate, they discover a plot by Skeletor to flood the new Eternian dam.
Skeletor brings an evil demon called Sh'Gora to Eternia, who overcomes Skeletor. He-Man and his comrades have no choice but to work together with Skeletor in banishing the demon from Eternia before it is too late.
A young guard named Philip is relocated to the Weather Station because of neglected duties. When he becomes aware of this, Skeletor sends his ally Icer to take control of the station.
Orko learns his uncle, Montork, has been replaced as head of the Trollan Academy of Magic. He-Man and Battle Cat join Orko on Trolla to find Montorks cocky replacement, Snoob, working with Whiplash and teaching him magic.
Stratos is exiled from Avion after being accused of sabotaging the kingdom's defense shield. During his next attack, Skeletor manages to steal the Egg of Avion and hides it in the Demon Zone with his ally Whiplash.
Once again, Granamyr asks for He-Man's help. The dragons of Eternia are mysteriously disappearing and Webstor and Kobra Khan seem to be behind it. But they're sending the dragons to another world where they're used to battle each other.
The heroic warriors intercept Beast Man while on his way to Eternia's Dark Moon. With Man-E-Faces impersonating Beast Man, they find out Skeletor's warriors are manipulating a war between the inhabitants of the Dark and Bright Moons.
An alien being called Om visits Eternia, just as Eternos City comes under attack from Skeletor and an army of Goblin warriors. Om freezes the conflict and places the most powerful warriors from both sides in a duel: He-Man and Skeletor.
Teela tries to mix training with fun in order for Adam to become more interested in his studies. But one of her tests goes too far and she ends up falling into the Abyss around Grayskull.
Kobra Khan, Mer-Man, Whiplash, and Clawful kidnap Queen Marlena, who was under Cringer's protection. Blaming himself, Cringer decides that it's his responsibility to save her.
Skeletor kidnaps King Randor, Prince Adam, Teela, Man-At-Arms, and Orko in order to have the Royal Guards become leaderless. But Queen Marlena may prove to be a more worthy leader than everyone else believes.
When Prince Glitch joined forces with Skeletor, he thought that it would teach him courage. Instead, it just frightened him more, and Skeletor throws him out. Meanwhile, Prince Glitch's father attacks Snake Mountain to rescue his son.
The Royal Palace's transmitter is damaged. Now there can be no radio contact, which means no help for Teela and her students when they end up being captured at Snake Mountain.
Orko tries to prove to Prince Dal that the Eternia Kingdom is a magical place by telling him it is the home a special crystal that can make anyone invincible. Prince Dal hopes to use the crystal to help his father at war.
Space Pirates invade the village of Pax and take all the villagers hard earned crops. Luckily, Prince Adam and Teela are nearby on an archaeological assignment.
He-Man and the gang are invited to the Sun Temple to witness the charging of the Sun Stone. But along the way, they meet Prankster, a joker from Orko's planet, Trolla, who keeps causing problems for the gang.
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.
Stanlan and Orko find a map inside one of Melaktha's statues. It leads to the Ancients' Book of Spells. Adam and the others must find the book before Skeletor finds out about the map.
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.
Man-At-Arms finds a bracelet adorned by the crest of King Randor's long lost father, King Miro. He joins Randor on a secret mission to search for his the old King, but Queen Marlena sends Adam and Cringer after them in a Wind Raider.
Loos, a blind boy, has always wanted to meet He-Man. So He-Man takes Loos on an adventure to the crystal caves. But after a flash of light temporarily blinds He-Man, it's up to Loos to get them safely home.
When Orko uses his magic to restore the Wizard Kothos to human form, he captures the heroic warriors and contacts Skeletor to exchange them for Evil-Lyn, who was the one that turned him into a sand-slug.
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.
