Using the power of the Medallion of Serpos, King Hssss transforms Snake Mountain into the mighty snake god, Serpos! Serpos begins to cause great destruction on Eternia, viciously attacking the Royal Palace before heading to Castle Grayskull.
As the Snake Men prepare to awaken Serpos, Evil-Lyn allies herself with Count Marzo and heads toward the Well of Darkness to free Hordak.
Having driven the Snake Men away from the Mystic Mountains, the Masters enter a local tavern where Man-At-Arms confronts his brother, Fisto.
Adam has a dream in which he sees a warrior similar to He-Man fighting both the Snake Men and Hordak. The dream prompts him to journey to Castle Grayskull in order to seek answers to the many questions that have arisen from the dream.
Learning from Lord Dactys that King Hssss and his Snake Men are still alive, the Masters of the Universe track the Snake Men.
Queen Marlena's aircraft loses power and crashes over the Corridors of Lithos, as power outages wreck wreak havoc across the planet. When a being named Sortech appears with a suit of Battle Armor in exchange for help, He-Man goes to aid the alien as King Randor and Battle Cat go in search of the Queen. He-Man arrives at Sortech's lair just as Skeletor appears. If that was not bad enough, the Lord of Destruction is also wearing Battle Armor!
Having been revealed as a traitor, Evil-Lyn is being pursued by Skeletor and the Evil Warriors.
Having overthrown Snake Mountain, the Snake Men seek the power of the Elders. After allying herself with King Hssss, Evil-Lyn informs him of the power within the walls of Castle Grayskull.
Teela finds herself drawn to a village called Pelleezeea, where she falls from her Sky Sled.
The newly formed Eternian Council arrives at the Royal Palace for their inaugural meeting.
Outside Castle Grayskull, the Council of Evil and the Evil Warriors prepare to conquer.
In an attempt to calm a young boy’s fear, Fisto tells the story of how he went from villain to hero with the help of a young girl named Rayna and her brave companions.
On a search for Bigtooth Furlongs, Prince Adam discovers that Maddok, a villain-in-training, Maddok, has power over animals, putting everyone’s safety and Beast Man’s job in jeopardy.
The Bendari, an alien race from a world with no evil, come to Eternia wanting to pit their greatest representatives of good and evil against one another. As Adam is training, Fisto is selected to face Skeletor’s enhanced henchman, Spikor.
Prince Adam, Melaktha and Moss Man travel to Avathar Island in search of the Ancient Mirror of Avathar, which is expected provide them with knowledge.
Skeletor imprisons Zagraz, the keeper of the comets, and tries to convince him to form an alliance. However, once he removes Zagraz from his mountain, the comets spin out of control, putting all of Eternia at risk!
Uncover the fabulous secret powers of Castle Grayskull in Season 1, Volume 1 (33 episodes) of He-Man and the Masters of the Universe!
This collection includes the final episodes of the animated series' Emmy-winning 2002 incarnation, which finds young He-Man confronting Skeletor, King Hiss and his slithering subordinates, the Snake Men, as they try to vanquish Eternia.
This Cartoon Network revival of the classic 1980s animated series explores Prince Adam's formative years as He-Man and his earliest entanglements with the evil Skeletor, who's determined to destroy Eternia and take over the planet.
Continuing to defend Eternia from the evil Skeletor, Prince Adam -- aka He-Man -- fights for justice with the help of his friends Man-At-Arms, the Sorceress, Orko and Teela in this collection of episodes from 2003.