She-Ra, He-Man's twin sister, is leading a group of freedom fighters known as the Great Rebellion in the hope of freeing their homeworld of Etheria from the tyrannical rule of Hordak and the Evil Horde.
When Catra steals the Crystal Crown, Bow and Glimmer decide to get it back, certain that She-Ra will save them if they get into trouble. Adora follows them, but makes sure to teach them to take care of themselves.
The Evil Horde attacks Bright Moon and takes it's farm families prisoner. Having escaped capture, farmer Sunder takes up his armor once more to rescue his wife and daughter with a little help from She-Ra.
Villagers from the lowlands of Sand Valley ask the rebels for help after Baron Condor has taken all their food. She-Ra walks into Condor's trap, but finds help from a young cleaning girl known as Small One.
The Rebels are all at the Twigget Carnival just outside Whispering Woods. Hordak needs a spy, so Shadow Weaver puts a spell on young Prince Kevin, who has run away from home.
Sorcerers apprentice Ely takes the Serenity Stone from Shadow Weaver's Troopers and becomes very powerful and big-headed. He remains unaware that without the stone in it's proper place, Etheria will become unbalanced.
She-Ra and Mermista free a baby horned whale from Hordak's capture. They take it back to Mermista's father's undersea kingdom, Salinius. But they are unaware Hordak has attached a limped spy device to the baby whale.
Shadow Weaver unleashes the power of the Cave of Winds on the Rebel leaders. She-Ra is hindered in her aid by tree-like beings who reside on a floating Sky Land.
While Adora and Adam are celebrating the Day of the Flowers, Orko accidentally makes the swords of power disappear. Then Hordak sends the most powerful machines in the universe, the Monstroids, to attack Flower Mountain.
Shakra, who took care of Adora during her years at the Fright Zone, leaves the Horde to join the Rebellion. But Hordak has given her a magic amulet which he uses to keep track of Shakra and the Rebels.
Hordak plans to attack Bright Moon using Entrapta's new Trapper Tank. Meanwhile, Glimmer tends to captured Horde Corporal Romeo and the two form a bond. But Romeo still manages to escape and plans to tell Hordak about Bright Moon's weakened defenses.
Hordak has his troopers capture Peekablue so Shadow Weaver can put a spell on her and force her to reveal the Rebels exact locations in the Whispering Woods. That way, the rebel leaders can be captured by The Horde's new Grabbers.
Sweet Bee is looking for a new planet her hive of Bee people can settle on. But her ship Scout 3 is shot down over Etheria by Hordak. Luckily Adora and her visiting brother Adam are on hand to help out as She-Ra and He-Man. Also joining them are Mermista and Frosta, brandishing the powers of water and ice, respectively. Frosta immediately takes a liking to He-Man and becomes quite jealous when he appears more interested in Sweet Bee.
Spritina the Twigget thinks she doesn't have any skill to perform at the Summer Moon Festival. A mysterious woman gives her magic paint and tells Spritina to paint pictures of all her Rebel friends. But each time she does, the subject of the painting mysteriously disappears...
Skeletor attacks the spacecraft carrying Sweet Bee's hive in order to turn the bee-people into his slave army. She-Ra calls on He-Man for help. During the space battle, they meet new allies such as Crystal Sundancer and Comet Cat.
Catra is capturing all the Conceals on Beast Island because they have been aiding the Horde's prisoners. Only Laa-See escapes to find Loo-Kee in the whispering woods. She-Ra and Swift Wind, who were enjoying a relaxing evening, decide to help free the Conceals.
Horde Professor Tempest has invented a Time Transformer capable of rewriting history. First he makes sure Hordak's Doom Balloon defeated She-Ra at Valleyview Castle, then Hordak insists on adding a meteor storm to the Eclipse beam attack on Bright Moon.
The village of Brigis houses a great magic box and appears for one day every five hundred years. Hordak attempts to break the spell by kidnapping a little girl from the village.
To celebrate their anniversary, Netossa and Spinderella recount how they came to join the Great Rebellion. Hordak had tricked Spinderella into thinking the rebels had captured Netossa, so she used her spinning dance to move the trees of the Whispering Woods and pave a way in for the Evil Horde.
An unkind King wants to marry Glimmer. A circus juggling boy is afraid his father is more interested in his tightrope walking brother.
Imp steals Adora's half of the magic locket she got from Sea Hawk. Sorrowful's friend Deena follows the rebels and gets captured by the Horde. Adora loses her sword and gets captured as well. Sea Hawk is alarmed by the other half of the locket, but walks in to a trap. Now it is up to Sorrowful, Bow, Madame Razz and Kowl to rescue them all.
She-Ra changes place with one of her twigget friends who has been captured by Hordak.
Bow gets a hold of Shadow Weaver's Wizard Wand and becomes quite overconfident about himself.
Since she's jealous at Adora, Glimmer tries to begin an action against Hordak on her own.
He-Man is called to Etheria after the rebels were tricked into an ambush and Adora has lost her sword. After capturing Horde Inspector Darkney, Adam takes his place and enters the Fright Zone with Adora as his assistant.
Hordak has his Batmeks shoot down an Argonian spaceship to steal it's power cell. The pilot, 8 foot tall Larg, convinced that all Etherians are Hordesmen, forces villagers of Phlax to help repair his ship.
The Rebels thwart a Shadow Beasties attack thanks to Man-At-Arms' new electric force shields. Angry, Shadow Weaver steals Orko's shadow and takes it to Horror Hall, where it promptly escapes and runs free.
The Bibbets do not want to fight against Hordak but Bow and Adora persuade them to.
Swift Wind and his pegacorn girlfriend are going to have a baby pegacorn. Hordak captures the mother but She-Ra rescues her.