He-Man and Man-At-Arms discover a crashed spaceship piloted by a robot. They take him back to the palace, where Man-At-Arms manages to repair the robot, who tells them his name is Roboto and he is a space explorer from the planet Robotica. He expresses his interest to explore Eternia, but during the night he is captured by Modulok, Man-At-Arms' sworn enemy! Modulok reprogrammes him to do his own dirty work, which involves the dastardly experiment of transplanting Man-At-Arms' brain into Modulok's extra head.....

Prince Adam, Man-At-Arms and Orko are searching the Vine Jungle for the legendary Stone City- but unbeknownst to them, they are being followed by Evil-Lyn, Webstor and Kobra Khan, who are after the city's treasures. By stealing a map, the villains beat the heroes to Stone City, which is filled with realistic-looking statues. When teleporting a life-bringer machine to Snake Mountain, Evil-Lyn accidentally revives the city's warrior king, Vokan! Vokan reveals that his people have been sleeping in stone for thousands of years, to be awakened when Eternia next needs their help. When he notices the life bringer is missing, Evil-Lyn tells him that it is located in Castle Grayskull. Before long, Vokan himself is attacking Grayskull, unwittingly being used by Evil-Lyn, who wants to gain the castle's powers!

An evil dragon called Morning Star hopes to resurrect the age-old war between the dragons and humans on Eternia. He extinguishes the Dragon fire, that powers Granamyr's kingdom, and blames it on the humans. War is declared between the humans and dragons, and He-Man is sent on a mission to recover the dragon fire and put and end to the war.

Two Earth astronauts, Mark Blaze and Andrea Steele, are on a mission to save Earth from a meteor that is about to collide with the planet. but on their mission, they are sucked through the same portal which brought Marlena to Eternia, and they find themselves on Eternia, now ruled by the missing astronaut Marlena Glenn. And things turn drastic when Skeletor captures Blaze, and steals the ship's missile, intending to use it to blow up Grayskull! Can He-Man stop Skeletor's scheme... and can he help Blaze and Steele to save Earth before it is too late?

A prehistoric race of Bee People know as the Tychons come back to life, and threaten to steal the food supply of Buzz-Off and his hive. And when Skeletor gets involved, the stakes are raised.

Man-At-Arms almost kills the King and Queen when a device accidentally malfunctions, and fearing his skills are weakening with age, considers resigning from his position. Skeletor takes advantage of the situation by installing an energy bug called Byte into the Royal computers to make all the machinery malfunction. Can He-Man find the cause of the problem before it is too late?

Man-At-Arms is testing out a new duplicating machine, which can make a replica of any solid object. However, the machine is not yet perfect and so its replicas come out being half the size of the original objects. But Skeletor steals the machine, and he uses it to create a whole army of miniature Skeletors to do his bidding... and before long, the palace is overrun with Skeletors!

Fisto tells a young boy the story of how he was once a bad guy, terrorizing the forest.

Mekaneck explains that he was given his bionic neck by Man-At-Arms after his neck was badly injured in severe storm winds. In the storm, he lost track of his son, Philip, and pledged his services to King Randor and the Royal guard in the hope of some day finding his son. It is revealed that his son was recovered from the storm winds by the evil Count Marzo, who had held him captive ever since and offers his return in exchange for the throne of Eternia. Buzz-Off appears. Teela tells viewers to be careful when running or climbing, and that it's more important to get somewhere at all than get there fast.

He-Man meets a blind boy called Lous, whose friends consider him to be helpless just because he is blind. To give him a chance to prove himself, He-Man offers to take Lous on an adventure with himself and Ram Man, to the caves of the Singing Crystal. Lous accompanies them to the caves, but once inside, a flash of light blinds both He-Man and Ram Man. With all three of them blind, Lous uses his senses and bravery to lead them back to safety, across many dangerous obstacles.

Man-At-Arms tells Orko the origin of Battle Cat, from how Adam discovered Cringer in the forest as a child, to how Cringer acquired the powers of Grayskull and became Battle Cat.

Orko is searching all over the Royal Palace for a book he has bought Prince Adam for his birthday. It soon transpires that not only this book is missing, but every book in the kingdom! The books have been stolen by a villain called Batros, who has hidden them in the Temple of the Sun. As the heroes set out to recover the books, Skeletor sends Beast Man and Trap Jaw out to recruit Batros into his army.

An evil king from the Dimension of Evil has kidnapped a good wizard. In order to get his freedom back, his daughter makes a bargain that she will kidnap the Star Child so that the evil king can look upon her. However, she soon finds out that she's bee duped when the evil king breaks his bargain and transports her, the Star Child and the heroes (along with the Star Child's body guard) to his dimension, hoping to force the Star Child to use her powers to open a gate to Eternia for himself and his forces to come through and take over.

King Randor sends Adam, Cringer and Orko to the Ice Kingdom of Morainia, to collect a powerful energy crystal from his friend King Moraius. However, Skeletor wants the crystal for himself and follows them, capturing King Moraius and demanding that the Royals give him the crystal in return for their King. As He-Man, Adam teams up with the King's daughter, Princess Janis, who helps devise a scheme to rescue her father.King Randor sends Adam, Cringer and Orko to the Ice Kingdom of Morainia, to collect a powerful energy crystal from his friend King Moraius. However, Skeletor wants the crystal for himself and follows them, capturing King Moraius and demanding that the Royals give him the crystal in return for their King. As He-Man, Adam teams up with the King's daughter, Princess Janis, who helps devise a scheme to rescue her father.

Kobra Khan visits the heroic warriors, offering a truce in exchange for their help. He tells them that his people, the Reptons (a snake clan to whom he belonged before he joined Skeletor's forces) are in need of help- someone has extinguished the furnace which heats their underground kingdom, plunging the whole kingdom into severe coldness. Khan wants them to find the culprit and re-heat the furnace. He-Man, Man-At-Arms, Battle Cat and Orko go to the Reptons kingdom with Khan, but it soon transpires that Khan is not to be trusted... for it was he who extinguished the furnace himself, and he intends to frame He-Man for the crime and expose them, in the hope of gaining the Repton King's crown in return!

Man-At-Arms has managed to make contact with a peaceful alien being called Om, hovering above Eternia. When Om is being welcomed by the people of Eternos, Skeletor invades the city with General Tataran and the Goblin Army. A fierce battle follows, and Om is confused by the way the two sides fight against one another, as his race knows no violence. So to see which side is wiser and stronger, Om selects He-Man from the side of good, and Skeletor from the side of evil, and pits them against one another in a fight to the finish.

Clawful and Trap Jaw have stolen ‘the Horn Of Evil' from Trolla and returned with it to Eternia, so Dree Elle, with her mischievous younger brother Yuckers, heads to Eternia to warn Orko and his friends of the imminent danger. The evil duo intend to use the horn's black magic on Castle Grayskull, but thats just half of the trouble in store, as Yucker's love of practical jokes not only causes irritation for Orko and Dree Elle, but also puts them in great danger...

Adam, Teela and Orko are enjoying some recreation (while Cringer sleeps!) when they notice that no time seems to have passed since they began. After He-Man has rescues a young girl by from a giant underground creature confused by the stop of time, the girl turns out to be Princess Kaffay, daughter of the Emperor of Sinba. She explains that evil wizard Hexon has captured her father and the Keeper of Time, and has used his powers to effectively stop time from passing. It is written that the Emperor must appear to the Council of Seasons on the first day of Spring, and request permission to rule for another year. With the Emperor captured and the stopping of time causing disarray, Hexon plans to step in and take the throne for himself...

A fierce storm, raging around Snake Mountain, uncovers a secret passage beneath the ancient fortress. Skeletor, Evil-Lyn and Beast Man investigate, and they find a mystic-looking glass called the Mirror of Moruvad, which has the power to create a double of anyone which is the opposite of what they are. Skeletor decides to capture someone close to He-Man, and make an evil double of them that will steal the secrets of Grayskull for him. He captures Koldar, a heroic ally of He-Man's, who has just arrived at the palace for a welcoming ceremony. He uses the Mirror to create an evil double of Koldar, which he sends to the Palace, to trick He-Man into letting him enter Castle Grayskull! But Koldar lures Skeletor in front of the mirror... and a heroic Skeletor is created, which goes to help foil Skeletor's plan!

Man-at-Arms stumbles upon a royal trinket that could belong to King Miro, King Randor's long-lost father. With the help of He-Man and Man-at-Arms, Randor journeys to the Swamps of Enchantment in search of his father.

Man-At-Arms needs a sample of Rainbow Quartz to repair a frequency transmitter. But the only place where they can find Rainbow Quartz is in a cavern in Snake Mountain! Adam and Cringer have no choice but to venture into Skeletor's domain to find the Quartz- and at the same time, Teela and three students she was training, who have taken a dare, also end up in Skeletor's clutches! With all this unwanted company suddenly invading Snake Mountain, ultimate chaos is sure to ensue!

Merman attacks a seafaring hermit called Jacob with some mechanical sea monsters, but his attack fails and He-Man, Teela and the Widgets rescue Jacob. Merman thinks he could use the Widgets' Coridite to make his mechanical demons stronger, so he sets up a scheme to steal the Coridite. He-Man and his friends must stop Merman, with the help of Jacob.

The Royal Family are holding a celebration with the Widgets, celebrating the completion of Man-At-Arms' new machine- the Coridite Reactor, which will generate electricity for all Eternians. Smudge, a Widget who has been given the job of guarding the reactor, becomes addicted to gambling with a showman called Melbrag at the ceremony. Melbrag tricks Smudge into gambling away some Coridite, and he flees with the sample, intending to sell it to Skeletor. When He-Man pursues Melbrag, he only tempts him even further, as Melbrag plans to capture He-Man, and deliver him to Skeletor for an even bigger payment!

As the heroes visit the planet Phantos, Evil-Lyn kidnaps Teela, Man-At-Arms and Orko, and takes them to Snake Mountain, where she shrinks them using a Reducto-Ray. He-Man goes to rescue them, but finds them placed in a trap which will either shrink him or kill them if he uses mere brawn to save them. So he realises he must use his brain to solve the problem- and since Teela has been complaining that Adam is lacking in brain power, he decides to do the job as Adam.

A small agricultural village is invaded by Space Pirates. When Adam, Teela, Orko and Cringer investigate the village, the Space Pirates steal Adam's sword, leaving him unable to become He-Man. So Adam must take the leading role in his regular identity and convince the villagers to fight back against the Space Pirates, while Cringer sets out to recover the sword.

Man-At-Arms' mentor, Rohad, who taught him all his scientific skills, is dying and He-Man must set out to find the only cure, a rare plant. Will he overcome the many obstacles in his way in time to save Rohad?

Granamyr summons He-Man to Darksmoke, and He-Man follows his call accompanied by Man-At-Arms, who wishes to thank Granamyr for helping save his life (in "The Dragon's Gift"). Granamyr explains that a young dragon called Torm has fallen in love with a human princess, Lyra, and wants to become human in order to marry her. But Lyra's father, Brindle, will only allow any man to marry her if he passes a series of tests. Only a human can take these tests, and Granamyr wants He-Man to take them on behalf of Torm. He-Man agrees, but as he undertakes the tests he faces danger from an evil sorcerer called Zim, who wants to marry Lyra himself.

Orko is visited by his old friend (yes, <I>old</I> friend, in spite of the title) Squunge, from the Academy of Magic on Trolla. Squunge has a knack for telling wild lies and tall tales, and quickly begins to annoy Orko and his friends with this habit. Then Orko winds up being captured by an intergalactic criminal called the Slave Master, scouring the universe for powerful slaves- will Squunge be able to convince the others that he's not lying this time?

Skeletor devises a cunning scheme to capture Queen Marlena and lead He-Man to his robot bird Screeech, and he sends Whiplash, Merman, Clawful and Kobra Khan to carry it out. Kobra Khan kidnaps Marlena after overpowering the Royal Family with his sleep gas, then he and Merman take her through the Haunted Forest back to Snake Mountain. Whiplash and Clawful, meanwhile, create visible tracks in the ground in the opposite direction. When the Royal Family awake, He-Man, Man-At-Arms and Teela follow Whiplash and Clawful's false trail, which will only lead them to Screech. But Cringer's sense of smell detects that Marlena was taken towards the Haunted Forest, and so he and Orko set out to follow the correct trail. Encountering many dangers along the way, this is Cringer's big chance to prove he's no Fraidy Cat!

Man-At-Arms has built a new dam around the kingdom of Eternos, to block off the Eternian ocean and prevent flooding. However, some of his food ships have gone missing, and while flying over the ocean to investigate, Buzz-Off has noticed a strange volcanic island which is not marked on any map. Adam, Cringer, Orko, Man-At-Arms, Teela and Buzz-Off go to investigate further. It soon turns out that Skeletor is the source of the problem, using a floating island to capture the food ships, planning to starve the Eternians then smash through the dam to flood Randor's kingdom! Can the heroes stop him before he succeeds?

The Sorceress summons He-Man to Castle Grayskull, which appears to be being haunted, the jaw bridge smashing repeatedly against the edge of the abyss, and the eyes flashing! Inside it is even weirder, full of grotesque holographic images of demons! The Sorceress has no idea what is going on, and Orko suggests that someone from the spirit dimension may be trying to contact The Sorceress. Using the window of the ancients, The Sorceress manages to trace the source of the haunting- the spirit of a magician called Zanthor, who was formerly a member of the Council of the Wise, but was exiled into the spirit world when he sold the Golden Disks of Knowledge to Skeletor, giving him the knowledge he needed to enter Eternia and build Snake Mountain. Zanthor wishes to amend for his crime by helping He-Man get the Disks back. So The Sorceress summons Zodac- the only remaining member of the Council of the Wise- and Zodac grants Zanthor temporary entrance into Eternia, though he must remain in spirit form until he can prove he is sincere. Zanthor then accompanies He-Man, Battle Cat and Orko to Snake Mountain, to find where Skeletor is keeping the Golden Disks of Knowledge.

While enjoying a lazy break fishing, Adam and Cringer see a young boy about to be eaten by a man-eating plant, and come to the rescue as He-Man and Battle Cat. Afterwards, Adam and Teela recognise the boy as their childhood friend David of Athra – only whereas they've grown, David looks the same as he did then! The Sorceress tells Adam that David's evil uncle, magician Count Marzo, cast a spell to transform him back to a child and wipe his memory. The only hope of restoring David to his proper self is to find the Ring of Remembrance, which is located in the Lake of the Lost. But, while He-Man, Teela and Battle Cat search for it, Count Marzo soon captures David back, and intends to use his magic powers to ensure He-Man and co. can never stop him...

A strange little creature called Montiek, a former member of the Council of Evil with Skeletor, turns up at Snake Mountain with some warriors he found on ancient Earth. He is travelling the universe recruiting powerful warriors for his Castle of Heroes, so he can use them as slaves. He has come to Eternia in the hope of capturing He-Man for the Castle of Heroes, and sets up a series of tests which He-Man must pass before he can be recruited. Skeletor is hoping that He-Man will pass the tests, so he can be rid of him- but he knows that He-Man won't be as easy to capture as Montiek thinks.....

Angered by his continual defeats, Skeletor blames Beast Man, banishing him from Snake Mountain and his evil forces. Meanwhile, King Randor is preparing for a Royal tour of Eternia, accompanied by Man-At-Arms and a guard of his choice. The King chooses He-Man, but Adam, upset that he always has to play down his qualities to hide his alter-ego, convinces the King to choose him instead. Beast Man spots the touring party, and aided by his Shadow People followers, he ambushes them. Determined to prove his worth to his father, Adam resists transforming into He-Man and instead tries to stop the attack as himself, but he is overpowered, and Beast Man captures Randor, intending to use his capture to win his way back into Skeletor's good books...

An ambassador from another kingdom visits the Royal Palace to present King Randor with a gift. But Man-At-Arms recognises the man as Skeletor in disguise, and in an attempt to stop him, is turned into a crystal statue. He-Man and Teela must journey to the Isles of Darksmoke, where the great and ancient dragon Granamyr knows the only spell to reverse the effect on Man-At-Arms. But their task proves far from easy- for not only is Granamyr suspicious of humans and reluctant to help them, but he says he will only give them the spell if they cut down the living tree named Skytree. Will He-Man willingly take a life if it is the only way to save that of his friend?

Strange living plants are gradually taking over Eternia. He-Man accuses Skeletor, and Skeletor accuses He-Man, but the real culprit is a curious plant-man called Evilseed, who intends to take over the whole planet with his plants. He-Man and Skeletor must reluctantly combine their powers in order to wither Evilseed's plot...

Evil-Lyn captures Mira, the daughter of the powerful wizard Kor, and frames He-Man and Man-At-Arms for the capture. Kor takes He-Man and Man-At-Arms prisoner, and refuses to listen to their pleas for innocence, planning to unleash a demonic entity called the Crimson Scourge upon them unless they reveal his daughter's whereabouts.

In the village of Chander, Trap Jaw and Beast Man break into the Shrine of the Gryphon to steal the Gryphon jewel, and place it in the grounds of the Royal Palace. Myth says that 200 years ago, the Gryphon – a giant fire-breathing dragon with a lion's head – entrusted the people of Chander to guard the jewel, and will return to cause destruction if anything happens to it. The evil duo plan for the Gryphon to attack the Royal Palace, but a young paige called Thad, who is upset that no-one ever seems to notice him, discovers the hidden gem. Feeling that it makes him someone important, he refuses to part with it, and soon, the Gryphon is wrecking destruction in search of the missing jewel...

A spacefaring gladiator called the Game Master lands on Eternia, intending to capture He-Man to make him fight for his amusement. But when he sends his minions out to find He-Man, he is in the form of Adam and so He-Man is nowhere to be found. So instead they capture Teela- but they also take Adam's Power Sword, meaning he is faced with the task of rescuing Teela as Adam!

An ancient temple is found within Mount Eternia, and when investigating it, Orko accidentally unleashes The Energy Beast, a powerful electrical demon that once ruled Eternia. He-Man, Man-At-Arms and Teela must drill into the mountain to find the Gold Chamber, which contains the magic needed to control the Energy Beast, before it is too late. But they also face trouble from Skeletor, who is hoping to strike a deal with the Energy Beast himself.

Skeletor wants to steal the Widgets' Coridite- a powerful mineral substance, out of which He-Man's harness is made. Evil-Lyn devises a cunning scheme to help him; she disguises herself as a young girl lost in the forest, and persuades the Widgets to let her enter their fortress. She then tricks the Widget guard Squinch into letting her enter the private chamber where the Coridite is kept, then she steals the Coridite and takes it to Skeletor! Skeletor plans to use the Coridite to form himself a new chest plate that will make him as powerful as He-Man- can He-Man stop Skeletor's scheme and retrieve the Coridite before his most dangerous foe becomes as powerful as him?

Prince Adam tells Man-At-Arms the story of how he, as He-Man, changed the life of Man-E-Faces. In flashback, we see how Man-E was once a bad guy who terrorized the Widgets with his three faces, and how Skeletor tried to recruit him into his forces before He-Man enabled Man-E to see the error of his ways.

The Sorceress sends He-Man, Man-At-Arms, Orko and Battle Cat back in time after Skeletor, who, with Tri-Klops and Fang Man, has gone back into Eternia's past to plant an effective time bomb on the spot where Castle Grayskull now stands, that will destroy it in the present unless He-Man manages to stop it "in time"...

Adam, Teela, Orko, Cringer and Lizard Man are on a visit to Pangus, the King of the city of Tarinth, when the city comes under a fierce trembling. Adam is about to come to the rescue as He-Man when a young woman called Celice appears and soothes the tremors with her singing. Pangus explains that a terrible creature lives beneath the city, and only Celice's soothing singing can calm it. Skeletor oversees the whole scene and decides that Celice's singing powers would be of great use to him. Evil-Lyn kidnaps the girl with Trap Jaw, and possesses her; Skeletor plans to use her siren song to hypnotise The Sorceress and then to sing Castle Grayskull's jaw-bridge open...

There is a bit party at the palace and everyone is invited, except for Skeletor and co. They go to the forest and capture animals which they let loose at the party so He-Man has to intervene to save the day.

He-Man's sword is taken by a peaceful race of Rock People who believe the sword gives them power. Fearing that himself and Battle Cat may never be able to become Adam and Cringer again, He-Man must journey to the underground world of the Rock People to recover the sword.

A fierce electrical storm brings electronoid Aramesh – a robot made of pure energy – to Eternia from Orko's dimension. He is hunting for Orko, who years ago was entrusted to guard a powerful magical sphere. Skeletor oversees Aramesh's arrival and decides that he could use him to his advantage...

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.

Prince Adam, Melaktha and Moss Man set sail on an archaeological expedition to the lost island continent of Avathar. When exploring the ancient ruins of the island they come across its legendary mirror, which holds all the greatest knowledge within its glass. They load the mirror onto the ship for their return journey, but its safety is threatened by a disguised Trap Jaw spying on them, and a storm at sea.

On the remote island of Selkie, the royal Historian, Hovar, is on a mission to investigate the ancient ruins of the island. However, his task is threatened by the many dangerous wild beasts of the island, and he is running out of ammunition to keep them away. Man-At-Arms has invented a sonic device called the VHO (Variable High-frequency Oscillator) which can emit high pitched sounds that will drive animals away. Adam and Teela set sail to Selkie Island with the VHO- but on the way, their ship is attacked by Merman, who sets the mighty sea demon called the Kraken on them... captures Teela, and steals the VHO! Adam transforms into He-Man, but can he save Teela from Merman's clutches, and recover the VHO and get it to Selkie Island, before Hovar's time runs out?

The residents of the small village of Ruckstown are living in permanent fear of a monster they call 'The Tingler' that is said to live on Mount Fear, which overlooks the village. In the hope of hunting down and catching the Tingler, they call Prince Adam and Teela to their aid. Orko and Cringer accompany them, but soon they find themselves captured by the Tingler himself and taken to his home... but once they've got to know him, they find that The Tingler isn't as bad as the locals think...

Skeletor's latest invention, the Collector, is capable of bringing stone statues to life and turning people to stone. With Beast Man, he attacks the Royal Palace with the new device, bringing court-yard statues to life and freezing Man-At-Arms in stone. If the effect isn't reversed by sundown, he will be cast in stone forever. As He-Man, advised by The Sorceress, goes to search for the one thing that can aid them in reversing the spell, Skeletor uses the energy the Collector has taken from his victims to awaken an ancient, giant statue, and turns it on Castle Grayskull...

Skeletor and his latest allies, the tribal-like Torgs, are trying to awaken Mulkram, a giant, diabolical monster who was frozen by the Elders centuries ago to stop his reign of terror. He-Man, Teela, Man-At-Arms, Orko and Ram Man are in the city of Avion for the annual ceremony where Stratos presents the magical Staff of Avion to his people, but just as the ceremony is about to begin, the Torgs attack, capturing Stratos and the staff. Skeletor intends to use the staff's amazing powers to awaken Mulkram, and to use the mighty creature to enter Castle Grayskull...

Orko's friend Podi runs away after an accident at the Royal Palace and is captured by her father's longtime enemy, Rago. Rago has plans to use Podi for his evil schemes.

While entertaining the Royal Family with his magic, Orko finds his act interrupted by a strange sorceress called Majestra. Majestra performs a trick in which she appears to make the King vanish then reappear- but in fact, Majestra is really Evil-Lyn in disguise, and has teleported the King to the dungeon and replaced him with a disguised Beast Man! Evil-Lyn has found a magical Shaping Staff which can transform anything into whatever the holder wishes- and under their disguises, Evil-Lyn and Beast Man set about causing havoc around the palace, turning each member of the Royal Family into helpless animals, while Skeletor awaits them at Grayskull with his latest creation- an evil version of He-Man, called Faker!

An evil wizard called Tauron casts a spell on Orko's Uncle Montork and his pet Gark, turns them evil and sets them on Grayskull!

A villain called Azrog is arrested on Trolla by Uncle Montork, but he flees to Eternia where he joins forces with the witch Spydra. Montork follows him, but ends up imprisoned in Spydra's castle. When He-Man, Battle Cat, Teela and Orko go to rescue Montork, Orko falls under Azrog's spell and becomes evil, and is set against his friends.

When on a skiing holiday in the icy regions of Eternia, the Royal Family are captured by an Ice Lord. Orko scares the Ice Lord by pretending he is He-Man (!), and the Ice Lord explains that Skeletor has kidnapped his daughter and will only release her if the Ice Lord delivers the Royal Family to him. Orko convinces the Ice Lord to free Prince Adam (who he calls his 'assistant'), then Adam becomes He-Man and sets off to Snake Mountain with Orko to rescue the Ice Lord's daughter.

While bored, Orko casts a spell to bring a small, cute creature called Daimar, from a book about the dimension of darkness, to Eternia. But Daimar doesn't stay cute for long- he soon turns into a giant demon and is threatening to overcome Grayskull with his power, which Skeletor is also determined to acquire for himself!

As Prince Adam and Teela attempt to fix a broken-down Attak Trak in the desert, Orko stumbles upon the wizard Kothos, who was transformed into a sand slug by Evil-Lyn in the earlier episode "The Witch and the Warrior". He turns him back to his true form, but has made a mistake as Kothos captures the heroes and offers them to Skeletor in return for his second-in-command, Evil-Lyn, upon whom Kothos is determined to enact revenge.

A chess-playing nobleman called Lord Todd, from a far-off land, visits Palace Eternia and instantly charms and astounds the Royal Family with the wonderful gifts he provides them, and his incredible skill at chess. To repay King Randor for allowing him to visit, he offers to take Teela on a tour of his own home- the far-off Castle Star. The two of them depart together. However, things turn disturbing when Man-At-Arms is called to Grayskull by The Sorceress, who tells him that a great evil has arrived on Eternia from another dimension... and it has taken its base nowhere other than Castle Star.....

Whilst on an archaeological dig, Man-At-Arms and Professor Smallen are taken captive by ancient robots called Zaktons, who were left by the Ancient Ones to guard the ruins of the desert. He-Man and Teela head to the Ancient Ruins to save them, but they also face danger from Trap Jaw, who wants the Zaktons' artifacts for himself.

Whiplash arrives at the Royal Palace, badly wounded, and asking for help. Skeletor has tried to summon up Sh'Gora, a dreaded creature from another dimension, only to have the being turn on him and imprison him along with Evil Lyn and Trap Jaw. Reluctantly, He-Man and his allies must rescue Skeletor and join forces to stop Sh'Gora taking over Eternia and the powers of Castle Grayskull...

For many years, the Royal Palace of Eternia has had shipments of photanium (the strongest metal in the Universe) from the moon of Phantos to make weapons with, but Skeletor intends to from now on step in and have the photanium all for himself. Man-At-Arms is given worthless ore instead of the photanium, and when the moon's ruler, Queen Elmora, puts up a fight against the plans, Skeletor casts a spell on her that ages her and turns her evil. Realising the metal they've been given is useless, He-Man and co. head to Phantos to see what's going on, only to find themselves on the moon where Skeletor now drives slaves mining for the metal...

Dree Elle comes to Eternia to enlist Orko's help, explaining that an ambitious Trollan wizard called Snoob has defeated Uncle Montork and taken his position as head of the Academy of Magic. Since Montork claims to have felt inexplicably weak when fighting Snoob, they suspect unfair play was used. Orko and Dree Elle go to Trolla, followed by He-Man and Battle Cat, and it soon transpires that Snoob is being controlled by Whiplash, who is trying to learn magic in order to impress Skeletor. It is up to He-Man to stop his scheme, with the help of his Trollan friends!

Teela and Orko are returning from admiring one of the Eternian farmer's bumper crops, when strong tremors suddenly shake the ground and whole crops disappear. Teela is sucked underground with one of the tremors, where she finds herself in the tunnels of an underground community called the Belats. While Orko raises the alarm, the Belat's King, Subternias, who is determined to feed his people no matter what, holds Teela prisoner, and she finds that the Belats are not evil, but are very mistrusting, after being tricked by Skeletor years before...

When testing out a teleportation device created by Man-At-Arms, Teela accidentally teleports Man-At-Arms away, and no-one knows where to. Overcome with guilt, believing she has caused a terrible fate for her father, Teela exiles herself to the Wastelands. Meanwhile, Man-At-Arms has been teleported into the clutches of Skeletor, who has imprisoned him, forcing him to make weapons for his own evil crew. He-Man must rescue Man-At-Arms, as well as convincing Teela to forgive herself for her mistake.

He-Man and company race to recover the Ancient's Book of Spells from it's long-lost hiding place. Skeletor learns of its existence and seeks to take it for himself.

Skeletor has managed to find the legendary 'Diamond Ray Of Disappearance', a mystical jewel that sends who or whatever it is aimed at vanishing into another dimension. Calling his warriors from around the Universe, Skeletor plans to use the magical gem to get rid of He-Man once-and-for-all. His first victims are King Randor, Queen Marlena, and Man-At-Arms, as well as The Sorceress of Grayskull, and it is up to He-Man to destroy the jewel, freeing his friends from the distant limbo-like dimension that they are trapped in...

Orko thinks that everyone has forgotten his birthday, when Man-At-Arms reports word of strange destruction the town of Becilia. He-Man, Teela and Ram Man go to investigate, and find themselves in the middle of a tornado some very curious effects – one of which is He-Man's sword disappearing, as a result of some strange influence somewhere. Meanwhile, Orko, upset at his birthday seemingly being forgotten, heads off to see The Sorceress, only to find that Castle Grayskull is gone! Skeletor has managed to harness a White Hole, with which he has sucked the castle, with The Sorceress inside it, into a strange reverse dimension, where he is trying to use the backwards laws of the dimension to harness it's powers. He-Man, Battle Cat and (unintentionally) Teela head into the White Hole to try and stop this latest evil attempt...

Skeletor and Beast Man steal a dragon's eggs and transport them into the court-yard of the Royal Palace. With their special growth enhancer, the dragons soon hatch and grow, attacking the Palace, and leaving the Heroic Warriors distracted trying to deal with the ever-growing dragons leaving Skeletor and his cronies free tackle Castle Grayskull...

Palace Eternia has run out of Eternium, the fuel which generates all power in Eternia. A young boy called Chad finds a sample while practising his training with his grandfather in the desert, and He-Man and Teela set out to collect it from them. But the Eternium is stolen by Trap Jaw, who intends to use it to gain equal power to He-Man! As He-Man fights to recover the Eternium and stop Trap Jaw, Chad learns a thing or two about the real dangers of fighting.

Prince Adam and Cringer crashland in the Misty Swamps when their Wind Raider is attacked by Skeletor's crew. Adam transforms to He-Man and manages to stop them sinking, but he feels weak, poisoned by the swamp water. A boy called Drak and his grandfather find He-Man, and the grandfather decides to transport him along to their village where he can be cured. But Drak, who is tempted by power and wealth, wants to turn He-Man in to Skeletor to gain riches in reward. As they journey to the village, they are pursued by Trap Jaw and Whiplash- will Drak betray He-Man and give him over to the bad guys, or will he see the light and help fend off Skeletor and his minions?

The Sorceress warns He-Man that Skeletor is amassing an unstoppable army. It's up to He-Man and company to discover this army, and put a stop to it. But with Trapjaw and Beastman doing Skeletor's dirty work, it won't be easy!

Beast Man and Trap Jaw go into business for themselves, having stolen the Amber Crystal of Milaka. They use the Crystal to capture Orko and hold him to ransom, for all the Photanium in Eternia. As He-Man and Man-At-Arms set about looking for a way to rescue Orko without meeting the ransom demand, the imprisoned Orko uses his magic to the effect that Beast Man and Trap Jaw wish they'd never captured him in the first place...

After Queen Marlena, using Man-At-Arm's new 'mind projector', relives how she came to crash-land on Eternia years before, Teela tries to use the device to learn who her mother is, but is frustrated when it is unable to display the image. She decides to head to the Crysal Sea, in search of the legendary Oracle, the only thing on Eternia that could possibly tell her of her true parents. But Mer-Man, defeated years before by Man-At-Arms, is looking to get even, and plans to use Teela as a sacrifice to a sea God...

When Beast Man crashlands by Palace Eternia in one of Skeletor's shuttles, Adam, Teela, Man-At-Arms, Man-E-Faces and Ram Man discover that he was being sent to the Dark Moon of Eternia. Curious as to why Skeletor wanted to send him there, they imprison Beast Man in jail and take the ship up there themselves. Reaching Eternia's Bright Moon, they discover that Eternia's two moons are at war with one another after a resident of the Dark Moon reported seeing the people of the Bright Moon causing severe destruction on the Dark Moon. Knowing that the residents of the Bright Moon are innocent, the heroic warriors realise that Skeletor must be the real cause of the destruction, and so Man-E-Faces disguises himself with a Beast Man costume, and goes to the Dark Moon to spy on Skeletor and his warriors and foil their scheme.

Zodac comes to Grayskull and tells The Sorceress that Eternia is in great danger as Skeletor is searching for the Starseed, the single most powerful object in the universe- a small chunk of cosmic matter left over from the big bang, which can turn its holder's thoughts into reality. The Sorceress summons He-Man, and together with Battle Cat and Orko, he sets off on a race to reach the Starseed before Skeletor does. But given that the Starseed is able to give anyone all the power that they want, is even He-Man strong enough to resist being corrupted by its power?