Skeletor stole stardust, the most precious treasure in the universe. He-Man, his mount Battle Cat, his friend Man-at-Arms and the clumsy wizard Orko set out to retrieve the treasure from the lord of evil. But they fall into a trap.
Skeletor attacks and hits He-Man's best friend. Immediately, he rushes to the rescue. But that was part of Skeletor's plan. He built a trap and He-Man gets caught in it and is thrown into the ancient past with no hope of return.
Skeletor makes his biggest move yet and the attack on Castle Grayskull begins. A robot army storms the fortress and the situation seems hopeless. Skeletor has a mighty ally - the magician of evil who is said to be invincible.
Skeletor, Castle Grayskull's adamant enemy, attacks the fortress yet again. And this time he has an ally nobody accounted for and who seems invincible. It is only a matter of time until Castle Grayskull falls.
Skeletor, warlock of evil, never stays still. He wants the power over the planet of Eternia. He takes Teela hostage into the cave of terror and waits until He-Man gets caught in his trap. The battle seems to be settled.
Skeletor continuously battles for the power over Eternia. This time he conceived an especially insidious plan. He lures Adam, prince of Eternia, into a trap - unknowing that Adam can transform into He-Man once he summons his Power Sword.
Skeletor, lord of evil, does whatever it takes to conquer Castle Grayskull. He creates a doppelganger of He-Man. The doppelganger manages to infiltrate Castle Grayskull. Doom takes its course.
Skeletor attacks Avion, the city in the Mystic Mountains. Stratos, lord of the city, reaches out for He-Man - but this time, the Master of the Universe has to battle enemies he is not able to fight with his Power Sword alone.
Skeletor, lord of the underworld, attacks Castle Grayskull again. This time he lets a magician infiltrate the castle. While He-Man strays away from Castle Grayskull more and more, all others seem to be enchanted by the magician Reigam.
Skeletor takes a deadly risk and wins unlimited power. He-Man suffers a great defeat and it seems Eternia is lost. There is only a small chance left for He-Man and his friends.
In his unlimited hatred for He-Man Skeletor grasps for the most dangerous weapon one could use against the Masters of the Universe. He opens the way to "Anti-Eternia" from which evil doppelgangers of He-Man, Orko and Man-at-Arms emerge.
Skeletor attacks the royal palace - with millions of wasps. He-Man is powerless against this assault. There is only one hope - Buzz-Off, lord of the wasps, but he vanished. Skeletor has taken him. Skeletor's victory begins to show.
Skeletor calls the conference of evil and the dominators of the underworld gather at Snake Mountain. Even the cosmic magician Zodac appears. He knows the future of all Eternians and predicts a victory for Skeletor.
The royal family takes a sea trip. Now Mer-Man can realize his insidious plan. Skeletor calls his monster as well. The Masters fight for their lives - but Skeletor and Mer-Man have an uncanny ally - the fabled, unvanquished Ice Bird.
Skeletor kidnaps Man-E-Faces and vanishes without leaving a trace. The ghost of Castle Grayskull has only one clue: The laughing bridge. The Masters stand before a riddle that seems to be unsolvable. Will they ever see Man-E-Faces again?
Skeletor backs off before nothing to win the power over Eternia. Although his fellows warn him insistently he builds the "Machine of Power". Once he turns it on a catastrophe hits Eternia. It seems like the planet is beyond saving.
Skeletor makes a dangerous find - a tablet of the lost magicians. It makes him so powerful he is able to capture the Masters of the Universe. He-Man and Battle Cat manage to escape. But He-Man is unable to counter Skeletor's magic powers.
Mekaneck, the galactic scout, accepts his inheritance. But before he grasps what it means Skeletor gets his hands on it and turns it into a dangerous weapon against Eternia. He-Man and the other heroes fight for the freedom of the planet.
Skeletor strikes yet again against He-Man. Using a robotic horse he smuggles a weapon into the royal palace - and suddenly he is master of Eternia. He-Man fights on a last stand because the ghost of Castle Grayskull is gone.
Snake lord Kobra Kahn cannot forget that He-Man humiliated him. He wants revenge. He lures the Master of the Universe into a gruesome trap. Is He-Man able to free himself from it? It seems hopeless because Skeletor seized the Power Sword.
A horrible monster appears in Eternia and nobody knows where it came from. But then, the riddle is solved but nothing is won because the demonic monster Modulok seems invincible. Stands He-Man before an unwinnable battle?
Skeletor and a new ally strike when the royal family leaves the palace. They attack the royal train and leave beyond time and space. The abducted seem lost forever. But then He-Man remembers the Talon Fighter and dares the impossible.
Skeletor connects himself to a young dragon. This way, the monster has to accompany him in fights against He-Man. But Man-at-Arms develops a new, powerful weapon: A power armor for He-Man. An inevitable duel will show who is stronger.
Skeletor contrived a master plan to become master of Eternia. He-Man has to travel through time and space to meet the new danger. Deep in the past he encounters the trap of evil. Can He-Man ever return to the time he came from?
Teela makes a great mistake: She believes the lies of the witch Mala. Skeletor strikes mercilessly and Teela understands what she has done. But it is too late for He-Man. Only a magician would be able to help now.
Orko gets a kick in the teeth - he is not able to perform magic anymore. He also lost his ability to beam. Something terrible has happened. And then Prince Adam is not able to transform into He-Man anymore. Skeletor seems triumphant.
Skeletor succeeds in a coup nobody expected and suddenly Castle Grayskull is orphaned. Where is the eagle? Skeletor attacks Eternia while He-Man sets out to find the ghost of Castle Grayskull. Only if he finds her Eternia can be saved.
A spaceship crashed on Eternia and He-Man tries to help its passengers. But there is a misunderstanding and destiny takes its course: The roulette of doom starts turning and it looks hopeless for He-Man. The end seems to be inevitable.
Giant insects attack. The danger is so grave that even Skeletor and He-Man team up. Together they try to save Eternia. But what can they do? Can they put out the Eternal Fire? They fight on their last stand against an overpowering enemy.
Skeletor, lord of evil, receives the Scepter of Might. He manages to become king of Eternia. But then something terrible happens: A deadly sun races towards Eternia. He-Man knows no way out and even gives away his Power Sword.
The Masters of the Universe celebrate their victory over Skeletor. Then He-Man has an idea: They want to tease Skeletor. The heroes lure him into a trap. But suddenly the "Pyramid of Immortality" becomes a harsh reality.
Skeletor is blinded by enthusiasm when he can become immortal. He does a grave mistake and puts the whole planet of Eternia in danger: He activates a time-bomb under the royal palace. Even the magician Orko is not able to reach it.
Dragstor returns from the Plains of Eternity with the legendary Icebird who is said to consist of hyperspace ice as well as a Power Sword of Evil. When Skeletor uses this weapon a grievous battle for Eternia begins.
Mossman and Buzz Off have been taken into the hyperspace - and He-Man's Power Sword with them. Reason enough for the Masters of the Universe to enter this arcane realm: The Dread Empire.
Skeletor has captured the city of Eternis. He now rules over Eternia. The Masters hide in the underground. They fight for the freedom of their home planet but their situation seems worse than ever because Skeletor crowns himself king.
Skeletor is the new king of Eternia. He-Man and the Masters of the Universe have to flee to Snake Mountain. Then they sneak into the royal palace to rescue prisoners of Skeletor. But Skeletor expected his and waits for his enemies.
Skeletor is determined. He wants the final victory over the Masters of the Universe who have fled to Snake Mountain. He orders the attack on the fortress and his victory is overwhelming. Skeletor's power seems at a peak.