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?

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!

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.

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.

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?

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.

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 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.

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!

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.

An irresponsible junior guard, Philip, fails to notice Whiplash sneaking into the palace grounds to steal the King's Ice Raider. He-Man stops Whiplash just in time, but King Randor relocates Philip to the Eternian Weather Station to improve his responsibilities. Skeletor, determined to get hold of the Ice Raider, consults his agent in the North, Icer, and orders him to take over the Weather Station. Icer has no trouble in taking over, and before long weather disasters are occurring all over Eternia.

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?

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 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!

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...

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...

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.....

A severe drought has suddenly consumed Planet Eternia, causing plants to die and machines to malfunction- even He-Man himself is weakening. As the oxygen in the air becomes less and less, He-Man sets out to find the cause of the problem. His investigations lead him to the Sea of Eternity, where he teams up with an insect man called Garth to solve the problem- which is being caused by none other than Skeletor, who is using a pumping machine to drain the sea.

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.

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.

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?

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.

Remembering the failure of his last attempt to control The Cosmic Comet, Skeletor decides he can only control the comets if he controls Zagraz, the comet keeper. He sends Two Bad out to capture Zagraz, and with the comet keeper in his clutches, Skeletor sets out using the comets to attack the Royal Palace and Castle Grayskull.

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.

Skeletor and Evil-Lyn send a disguised Kobra Khan to Palace Eternia to disrupt the Eternia Day Celebration. But knowing Orko's magic will see through Khan's disguise, Evil-Lyn uses her magic to erase Orko's entirely. He-Man and Orko set out to recover Orko's missing magic, but the only way they can do it is by finding the Magic Falls- can they reach them in time?

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 circus is coming to the kingdom, much to the excitement of Orko, who wants to become a circus performer. Skeletor, enraged that the circus wouldn't come and perform for him at Snake Mountain, sends Evil-Lyn and Beast Man to cause enough ruin to see that it never opens, so that he can take it over himself and be entertained by it whenever he likes...

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!

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...

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...

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...

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.

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.

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.

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"...

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.

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.

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!

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.....

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...

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.

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.

Skeletor erases He-Man's memory and teleports him to a far-off world called Draenos, which has been rendered barren and desolate by pollution. Cringer, Ram Man and Orko travel to the alien world to rescue Eternia's hero.

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.

Negator, an evil character with a love of computers and electronics, sees Man-At-Arms testing out his latest invention, the Beam Ray, in the desert. Impressed, Negator wants the scientist to come and work for him, so that he can use his creations for his own evil purposes. When Man-At-Arms refuses, Negator captures Teela to force him to come to him. As He-Man, Ram Man and Battle Cat search for their missing friends, they are sucked into Negator's underground electronic domain, and Negator sends He-Man and Ram Man into his living electronic "game"...

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...

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.

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.

When a travelling sideshow comes to Eternos, Cringer falls for a female cat called Pretty Kitty and lusts after her- but it turns out Pretty Kitty was merely there to lure Cringer into the hands of Beast Man, the disguised owner of the sideshow! Cringer is imprisoned in Snake Mountain, and He-Man must venture into Skeletor's domain to rescue his faithful companion.

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...

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?

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?

Prince Adam and Melaktha undertake an archaeological expedition of the Temple of the Cats, once occupied by an apparently extinct race of Cat People. They take from the temple an ancient statue, called the Grymalkin. But unknown to them, the Cat People still exist and dwell deep within the temple- and the Grymalkin contains an evil demon imprisoned inside. The Cat People's king sends an agile Catwoman, Kittrina, to recover the statue from the Royal Palace. But at the same time, Skeletor sends his minion Webstor after the statue, and beating Kittrina to it, Webstor takes the statue back to his master, who subsequently frees the demon.....