The Crystal Gems are a team of magical beings who are the self-appointed guardians of the universe. Half-human, half-Gem hero Steven is the "little brother" of the group. The goofball is learning to save the world using the magical powers that come from his bellybutton and he goes on magical adventures with the rest of the Crystal Gems, even though he's not as powerful -- or smart -- as fellow group members Garnet, Amethyst and Pearl. Despite his shortcomings, Steven usually finds a surprising way to save the day.
Steven accidentally uses his astral projection ability while dreaming and ends up in Lars' body.
When Steven and Connie run into Kevin again, they fuse into Stevonnie to beat him in a car race in order to get revenge for his actions at the rave.
When Steven accidentally re-ignites an old feud between restaurant owners Fryman and Kofi, it is up to himself, along with the restaurant owners' kids, to try and stop the feud.
Kiki has been having nightmares due to being overworked at Fish Stew Pizza, so Steven helps by using his astral projection to go into Kiki's nightmares.
When Steven's healing powers suddenly return, he uses them to attempt to heal the Centipeetle. However, Gem corruption is a bit more complicated than Steven thought.
Steven, Greg and Lapis go on a boat ride to help Lapis have some fun. However, it becomes apparent that they are being followed.
Greg tells Steven the story of the time he and Rose babysat Sour Cream for Vidalia.
Connie goes on her first mission with Steven and Pearl to the Great North to find a corrupted Gem monster.
Garnet and Pearl return to the Great North to look for Jasper, whilst Steven, Amethyst and Connie have a day of fun around Beach City.
Following the events of the previous episode, Amethyst's self-esteem has hit rock bottom. With Steven's rising power, Amethyst begins to suspect that she is now the weakest Gem on the team, so she and Steven agree to duel.
An item from the Gems' past is discovered inside of Lion's mane.
To cheer Amethyst up after her fight with Jasper, Peridot takes her and Steven to Jasper's birthplace – a heavily rushed and poorly made Kindergarten in the middle of a desert.
Steven, Amethyst and Peridot encounter Jasper at the Beta Kindergarten. To fight off her and a corrupted Gem monster, Steven and Amethyst fuse into Smoky Quartz and Peridot attempts to use her metal powers.
The dispatch team of Rubies return to the barn still searching for Jasper. To try and get them to go away, Amethyst shapeshifts into her. However, things get awry when the Rubies want her to contact Yellow Diamond at the Moon Base, with Steven, Garnet and Pearl as her "prisoners".
After being sucked out of the Moon Base's airlock, Steven and the Rubies are stuck floating in the middle of space. To stay safe, Steven puts himself in a bubble and runs into one of the Rubies in the process.
Steven and the Gems study what makes a fusion so special.
Steven visits the library with Connie and uncovers a long lost book.
Steven, Pearl and Amethyst go to a rock show.
Steven’s autumn visit to the barn brings a new stranger into his life.
Greg tells Steven about their first winter together.
A strange dream prompts Steven to search for answers.
Steven and the Gems take off on a search and recovery mission.
Connie helps look after Beach City while Steven is busy.
Steven goes into his room in the temple to look for answers.
Ronaldo sets out to find all the rock people living in Beach City!
When Amethyst quits wrestling at the abandoned warehouse, Steven continues doing so himself as Tiger Philanthropist. However, Steven soon begins to doubt the point of wrestling when the audience doesn't take to his new persona.
Lion coughs up a magical key, and Steven goes on a quest to find what it unlocks.
Greg and the Gems take Steven on vacation to help him relax.
When Lapis and Peridot learn what happened to Steven on Homeworld, Lapis wants to flee Earth to avoid getting caught up in another Gem war. However, Peridot wants to stay on Earth to protect it, and has a hard time telling Lapis.
With Peridot upset over Lapis leaving Earth, Steven and Amethyst decide to help her cheer up by planting flowers at the Kindergarten.
Steven and the Cool Kids start a band, but they have trouble finding their sound. They decide to recruit Sadie, who writes a dark song about her frustrating job at the Big Donut; but that same job keeps her from actually participating in the band.
Kevin is throwing a party, and invites Steven only so he can show up as Stevonnie. Steven doesn't want to go at first, but changes his mind when Kevin reveals that Connie will be there. When they see each other, Kevin decides to help Steven get his "ex" back so they can fuse.
Steven and Connie travel through Lion's mane to visit Lars. When they reach the other side, they discover that Lars and the Off-Color Gems have stolen a spaceship from Emerald and are now on the run from their pursuers.
Stevonnie crash-lands in a jungle on an alien moon and, unable to contact Lars, must fend for themself. They discover that the moon houses an abandoned Gem base and orbits a former Gem colony, and have a strange dream involving the Diamonds.
Steven brings Garnet to meet Lars and his off-color crew. The Off-Colors' beliefs about Rose Quartz have been skewed by Homeworld propaganda, so Garnet tells them the history of Rose's rebellion from the Crystal Gems' perspective.
In this documentary-style episode, Steven records the rise of Sadie's new band, Sadie Killer and the Suspects. The band hires Greg as their manager, who hooks them up with producer Sunshine Justice for a performance in Empire City, though Sadie worries about her mother getting in the way.
Garnet spends a day trying to behave unpredictably, attempting to train her future vision to account for the unexpected. When she and Steven eventually discover some homeless kittens, Garnet admits how lost and stressed she feels when she doesn't know what the future holds.
Lars receives a letter from Steven updating him about the current goings-on in Beach City. While the town and its population are changing, the now-former mayor Bill Dewey is having trouble trying to find his place in the new status quo.
After Ronaldo sees the barn on the moon, Steven goes up there and finds Lapis Lazuli using the moon base to spy on Steven and the Gems on Earth. While the two reconnect, Lapis is unsure about returning to Earth, but another vision from Steven prompts her decision.
Amethyst convinces Steven to take a day off for himself.
With many changes going on in his life, Steven tries to find his place in the world.
Steven wonders what Garnet does with her day.