Steven Universe Episode Summaries

Season 1
	Episode 00: Pilot
		Non-canon. Steven composes a song (adopted, after some modification, as the series' theme song) for the Crystal Gems (Garnet, Amethyst, and Pearl), then accidentally locks a time-travel device to be usable only for delivering comebacks. Fortunately, he is able to make use of the device even still to win a fight against a monster.
	Episode 01: Gem Glow
		Steven unintentionally taps into one of his Gem powers, summoning the signature shield of his mother, Rose Quartz. Despite advice from the other Gems he is unable to replicate the feat, but he manages to provide a critical edge in defeating a monstrous "centipeetle" by more mundane means.
	Episode 02: Laser Light Cannon
		An ominous celestial object looms threateningly and is unharmed by the Gems' best attacks. Steven finds a laser cannon belonging to Rose in a storage locker belonging to his human father, Greg, and with it they successfully destroy the threat.
	Episode 03: Cheeseburger Backpack
		Steven receives the titular merchandise in the mail and argues that, with it, he is prepared to go on magical missions with the Crystal Gems. They agree to take him, and while he successfully solves two of the four problems they run into, the ruin they explore is ultimately destroyed.
	Episode 04: Together Breakfast
		Steven wants all the Gems to eat breakfast together as a family, but they are all busy in their own magical rooms of the Gem Temple attached to his house. The breakfast ends up possessed by a bizarre and dangerous magic, and they fight together to destroy it instead.
	Episode 05: Frybo
		Steven brings the titular mascot suit to life with a broken Gem artefact to allow the suit's usual wearer to relax, but the suit soon goes on a rampage. Steven is able to defeat the mascot by animating his own clothes.
	Episode 06: Cat Fingers
		Steven begins practicing with the shapeshifting powers all Gems have, but accidentally turns himself into an enormous, monstrous mass of cat heads. Fortunately, his dad's car wash provides enough water to dissuade them, allowing him to change back.
	Episode 07: Bubble Buddies
		Steven makes a new friend, Connie, when he accidentally seals her, along with himself, inside a magic bubble.
	Episode 08: Serious Steven
		Steven worries he isn't taken seriously by the Gems, but those worries are put to rest when he provides the critical insight to escaping an ever-changing maze.
	Episode 09: Tiger Millionaire
		Finding Pearl and Garnet to be no fun, Amethyst and Steven participate in an underground wrestling league, but Steven quickly turns into a jerk in his victory. Eventually he realizes how hated his character is and the Gems realize that Steven, as a half-human child, still needs entertainment, and so they have fun playing at wrestling.
	Episode 10: Steven's Lion
		Steven finds and adopts an unusual, magically-empowered pink lion, which he names Lion.
	Episode 11: Arcade Mania
		Steven introduces the Gems to a videogame arcade, but it all goes wrong when Garnet proves unable to tear herself away from the game. Garnet is also revealed to have an unusual third eye concealed beneath her characteristic sunglasses.
	Episode 12: Giant Woman
		Steven learns about Gem Fusion, a process by which two or more Gems may merge into a more powerful combined form, though only if they are able to cooperate on a deep enough level. Pearl and Amethyst are able to overcome their differences and fuse when Steven's life is in danger, producing Opal, who effortlessly dispatches the threat.
	Episode 13: So Many Birthdays
		The Gems are introduced to the concept of birthdays, to mixed reactions. Steven begins to feel old, and thanks to his shapeshifting, ages physically to match; the Gems must embrace the concept of birthdays to allow him to feel young and save his life.
	Episode 14: Lars and the Cool Kids
		Lars, one of two attendants at the donut shop Steven frequents, tries to appear cool in the eyes of the titular Cool Kids, Jenny, Sour Cream, and Buck; Steven achieves the same result effortlessly. Magical moss that Steven's mother once tended nearly kills them, but they manage to reach a summit where it turns into beautiful flowers.
	Episode 15: Onion Trade
		Steven trades a duplicator wand to Onion, a strange, silent child, for an action figure, but Onion nearly destroys the town with it.
	Episode 16: Steven the Sword Fighter
		Steven is aghast when one of Pearl's swordfighting-training holograms stabs her, killing her instantly. Fortunately, Gems can only be killed if the Gem core is badly damaged; if their bodies are killed they retreat to said core to recover. Steven tries to get along with the hologram Pearl in the real one's absence, but to no avail.
	Episode 17: Lion 2: The Movie
		Lion reveals a previously-unseen ability to form portals and takes Steven and Connie to a magical armory which responds to Steven's commands, where he accidentally activates a killer robot. Connie's tennis skills prove critical in defeating the robot.
	Episode 18: Beach Party
		The Gems damage the local pizza shop and are banned as a result. As a peaceable gesture, the Gems invite the Pizzas, the family who run it, to a beach party, where they end up bonding in the process of fighting a pufferfish monster.
	Episode 19: Rose's Room
		Steven enters his mother's room in the Gem Temple, which turns out to be a magical holodeck. He accidentally overloads it, to horrifying results.
	Episode 20: Coach Steven
		Garnet and Amethyst fuse into the enormous, hulking Sugilite, who proves too reckless to be safe. Pearl is jealous over Steven's obvious admiration of Sugilite's tremendous physical strength. When Sugilite refuses to unfuse, which would result in her losing her minds in several senses, Pearl defeats her through her own strength of character, with Steven's encouragement.
	Episode 21: Joking Victim
		Steven plays an ill-thought, unintentionally-cruel prank on Lars when encouraged by Sadie, Lars' coworker and sort-of-girlfriend.
	Episode 22: Steven and the Stevens
		The time travel device from the pilot appears in canon, and this time Steven uses it to form a band of himselves. Unfortunately disagreements of opinion quickly fracture the Stevens into argument. Ultimately, the device is destroyed before it can ever be used, causing all but one Steven to dissolve into dust.
	Episode 23: Monster Buddies
		Steven attempts to train the "centipeetle" defeated in the first episode, to some success. The Gems reveal that Rose tried the same thing, but never got very far; Steven's attempts give them hope that the monsters they fight might be rehabilitated.
	Episode 24: An Indirect Kiss
		Rose's powers are revealed to have included healing tears and growth of magically-animated, loyal plants. Steven tries to replicate the former when Amethyst cracks her core, but is unable; a fountain of Rose's tears instead heals her. When he tells the story to Connie, Steven learns that he has healing saliva instead when a shared drink removes her requirement of glasses.
	Episode 25: Mirror Gem
		Steven has fun with a magic mirror which appears to talk back by replaying scenes it has reflected, but the Gems are horrified when they find out. When the mirror breaks, the reason is revealed - the mirror was powered by a damaged Gem, Lapis Lazuli. In fact, all the monsters they fight used to be Gems. Lapis flees and steals the ocean with her immensely powerful hydrokinesis.
	Episode 26: Ocean Gem
		Continuing from Mirror Gem, Steven, Greg, Connie, and the Gems follow Lapis, finding all the water from the Earth's oceans forming an immense tower stretching into the upper atmosphere. When Steven goes to talk to Lapis, he finds out she wants to leave the Earth, but the damage to her core prevents her. He heals her, and she flies off into space.
	Episode 27: House Guest
		After Greg broke his leg in the previous episode, Steven attempts to heal him, seemingly to no avail. Eventually Greg is revealed to be faking continued injury to spend time with Steven, but Steven's shaken confidence in his healing power impairs his ability to use it in truth.
	Episode 28: Space Race
		Pearl, Greg, and Steven bond over an attempt to create a spaceship, which Pearl proves handily capable of. Against Greg's wishes she attempts to take Steven into space with a somewhat manic desperation, but he convinces her to return.
	Episode 29: Secret Team
		Amethyst, Pearl, and Steven form a secret team to cover up a mistake on the two Gems' part. Steven then forms his own secret team with Garnet, who is disappointed that the other two can only cooperate when they fear she will rebuke them.
	Episode 30: Island Adventure
		Steven, Lars, and Sadie get stuck on a tropical island for several weeks, which along with a fight with an invisible Gem monster brings Lars and Sadie closer together.
	Episode 31: Keep Beach City Weird
		Ronaldo, an eccentric blogger, tries to make sense of the various mysteries in and around Beach City.
	Episode 32: Fusion Cuisine
		All three Gems fuse together, forming the unstable Alexandrite, to pose as Steven's mother in a dinner with Connie's parents, who dislike things which are abnormal. The dinner is... strained, but the Mahashwarens and the Gems ultimately bond over parenting. Steven ends up banned from TV for a thousand years.
	Episode 33: Garnet's Universe
		Steven tells Garnet his imagining of how she spent her day.
	Episode 34: Watermelon Steven
		Steven taps into another of his Gem powers, creating an army of living, Steven-shaped watermelons.
	Episode 35: Lion 3: Straight to Video
		Steven learns that Lion's mane is a portal to a storage dimension of sorts, in which is stored a video Rose created before she gave up her physical form to give birth to Steven.
	Episode 36: Warp Tour
		Steven sees something odd in the teleportation network the Gems use, but they don't believe him. Eventually he is proven correct when the odd thing repairs an intergalactic-range teleporter, allowing a new Gem access to Earth. The Gems so panic at this that they destroy the newly-repaired teleporter once she leaves.
	Episode 37: Alone Together
		Steven accidentally fuses with Connie, an event that leaves the Gems dumbfounded, and in Garnet's case delighted.
	Episode 38: The Test
		The ruin the Gems and Steven visited in the third episode is revealed to have been a test, and his performance so dismays Steven that he demands a legitimate retrial. The Gems set up a course for him, but he ultimately realizes it, too, is designed to be unable to hurt him. When he sees they are just as lost raising a child as he is being a Gem, though, he pretends for their sake to have been taken in by the experience.
	Episode 39: Future Vision
		Steven finds out Garnet has a unique precognitive power. Though he briefly becomes paranoid at the myriad dangers every action holds, he eventually forges through and the experience brings Garnet and himself closer.
	Episode 40: On the Run
		Steven decides to run away from home with Amethyst, and they end up in the Kindergarten, a bleak, desolate place where Gem technology ravaged the environment long ago - incidentally the process which created Amethyst. She turns out to be highly insecure about this and her initial purpose as a weapon, surprising Pearl, who considers her the one good thing to have come from the process.
	Episode 41: Horror Club
		Ronaldo and Lars turn out to have been friends before a long-ago falling out; Steven paves the way to a potential reconciliation between them.
	Episode 42: Winter Forecast
		Winter weather rolls into Beach City, and Steven finds himself living a Groundhog Day loop as his first several attempts at the day end in disaster - ultimately revealed to be courtesy of Garnet's precognition, lent to him near the beginning.
	Episode 43: Maximum Capacity
		When Greg's storage unit becomes totally full, he and Amethyst attempt to empty it together, having once been friends, but quickly fall back into the Rose-centric argument that destroyed that friendship once before. They reconcile, though, and Pearl helps them with the storage unit.
	Episode 44: Marble Madness
		The small robots the unknown Gem used in Warp Tour return, and the Gem herself - now named as Peridot - tries to remotely reactivate the Kindergarten for an unknown purpose, seemingly failing but learning of the presence of Steven and the Crystal Gems.
	Episode 45: Rose's Scabbard
		When Pearl learns about the various powers Lion has displayed and realizes he is connected, somehow, to Rose, she nearly breaks down, having previously believed herself the only one with whom Rose shared all of her secrets.
	Episode 46: The Message
		With difficulty, Lapis Lazuli sends the Crystal Gems a message, warning them that when she returned to the Gem Home World she found it hostile - and that the Home World is gunning for them.
	Episode 47: Political Power
		Pearl accidentally knocks out the power to Beach City trying to create a weapon that can stand up to the might of the Home World, upsetting the citizens. Steven briefly dabbles in politics to reassure them.
	Episode 48: The Return
		The Home World force finally arrives, in the form of a ship that stands up to the mightiest force the Crystal Gems can bring to bear against it, crewed by Peridot and a highly combative Jasper, as well as holding Lapis as a prisoner. Steven manages to summon his shield once more to protect them from being killed outright, but they are all still captured, and Garnet's body is destroyed, returning her to her cores.
	Episode 49: Jail Break
		Steven awakes in a cell of which one wall is composed of the disruptive energy that brought Garnet low, but Steven's half-human nature renders him immune, granting him easy escape. He meets Ruby and Sapphire for the first time when he frees them, allowing them to fuse once more into a gleeful Garnet, and attempts to free Lapis too, but she refuses. While he finds Amethyst and Pearl, Garnet defeats Jasper and brings down the ship, though Peridot escapes in a pod. From the wreckage emerges Jasper, who forces Lapis to fuse with her to defeat Garnet; however, Lapis takes control of the newly-formed Malachite, and drags them to the bottom of the ocean, to remain presumably forever.
Season 2
	Episode 01: Full Disclosure
		Steven tries to distance himself from Connie to prevent her from being drawn into the dangerous life the Gems lead, ultimately realizing this for folly.
	Episode 02: Open Book
		Steven and Connie use Rose's room to act out scenes from a book series they like, but once again a poorly-worded request to the room causes problems.
	Episode 03: Joy Ride
		Steven and the Cool Kids drive out to the crash site of Peridot's escape pod, though the Gem herself is nowhere to be seen. The Gems realize that they have forgotten that a child needs to have fun as well as responsibility, and finally lift his thousand-year ban on TV.
	Episode 04: Say Uncle
		Non-canon. A crossover episode with Uncle Grandpa.
	Episode 05: Story for Steven
		Greg tells the story of how he and Rose first met.
	Episode 06: Shirt Club
		Steven and Sour Cream distribute homemade shirts among the townsfolk.
	Episode 07: Love Letters
		Jamie the mailman has a brief and ill-advised infatuation with Garnet, who bluntly, though kindly, shoots the idea down.
	Episode 08: Reformed
		Amethyst struggles with her continuing insecurity as she is killed and reforms several times, ultimately forming a body that reflects what feels right to her instead of trying to match the perceived desires of others.
	Episode 09: Sworn to the Sword
		Pearl trains Connie in swordfighting, though Steven becomes worried when she begins passing on her own self-sacrificing habits and badly influencing Connie's self-esteem.
	Episode 10: Rising Tides, Crashing Skies
		Ronaldo makes a documentary about the impact the Gems have on Beach City.
	Episode 11: Keeping it Together
		Peridot is found in the Kindergarten, reactivating a long-running experiment the Gems had previously missed, and which disturbs Garnet immensely: forced fusion of shattered Crystal Gems from long ago. Garnet nearly splits apart under the stress but ultimately manages to prevail, collecting all the hybrid experiments to fix as soon as they work out how, and explains to Steven that the Home World's view on fusion misses the point entirely, overlooking the emotional component. Peridot, meanwhile, escapes, claiming to have found what she needed before the Gems found her.
	Episode 12: We Need to Talk
		When Greg learns that Connie and Steven are able to fuse, he is astonished, having failed to achieve the same thing with Rose long ago. He tells the story of the first time their relationship moved beyond the initial passionate infatuation and into something more serious.
	Episode 13: Chille Tid
		With the Gems exhausted from searching the ocean for Malachite, Steven proposes a slumber party. He connects mentally with Lapis in his dreams somehow, learning that her mental stability, under the strain of suppressing Jasper and holding the fusion together, is not promising; she seems to lose herself and her control to Malachite, and Steven is forced awake.