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.
Steven wonders what Garnet does with her day.