Star vs. The Forces of Evil follows fiercely awesome teen princess Star Butterfly. After receiving an all-powerful magic wand for her 14th birthday, Star is sent by her Royal Parents to live with the Diaz family on Earth, bringing along her own unique inter-dimensional style to her new home. Together with the Diaz's teenage son, Marco, they navigate high school and embark on dimension-hopping adventures across the multiverse while keeping her wand out of the clutches of arch-nemesis Ludo and his monstrous forces of evil.
On her 14th birthday, Princess Star Butterfly receives a magical wand, but when she sets fire to the castle, she is sent to Earth to train. There, she enrolls in Echo Creek Academy where the principal pairs her with Marco Diaz, a reputed "safe kid". Upon befriending Marco, Star ends up discovering her skills when she is attacked by Ludo and his army of monsters.
Star receives a visit from Flying Princess Pony Head, her best friend from Mewni. Pony Head is jealous that Marco is Star's best friend on Earth. She invites Star and Marco to various dance clubs, but she competes with Marco for Star's attention and tries to strand him at a video arcade. Meanwhile, guards have been hot on Pony Head's trail. Eventually, King Pony Head arrives to have the guards take Pony Head to St. Olga's Reform School for Wayward Princesses.
Star fails her first test, so she tries to play matchmaker for their math teacher Miss Skullnick to get a better grade. However, she winds up turning her into a troll. When Ludo and his minions attack, one of the monsters falls for Skullnick.
Echo Creek Academy prepares for a football game against their rival school. Marco tries to protect Ferguson, who has become the team mascot, from being kidnapped. Star takes the concept of going to battle literally, and booby traps the field with bombs, evil kittens, and giant birds.
Marco breaks his arm before a karate tournament. Star uses her wand to fix it, but transforms it into a tentacle arm. As Star tries to find a spell to reverse it, Marco begins to like his new powers associated with the arm. However, the arm harbors an evil sentience that intends to take over the world.
When the Diaz family receives a visit by their former foreign exchange student Gustav from Scandinavia, Gustav soon becomes the family favorite with his meatballs, that Star feels neglected. She senses something is wrong when she discovers Gustav harbors some books and media about how to act like a Scandinavian in his backpack.
Star and Marco are trapped inside a tool shed by Ludo's army. As Marco tries to fashion something to fight them off, he recounts how he tried to cheer up Star because she left her phone number for her crush, a keytar-playing student named Oskar, but he has not called her back.
When Star's wand runs low on power, she and Marco visit Quest Buy, a large inter-dimensional retail store to buy a new charger. However, the location of the charger department proves extremely difficult to find and to get to. Meanwhile, Ludo and his minions, who are shopping there for a beak sharpener, pursue Star to try to take her wand.
As an anniversary gift for Marco's parents, Star invites them and Marco to Mewni, but must avoid being seen by her father as Star is not allowed to leave Earth. While they visit a Mewni village, Star sees her father strolling about, and directs the Diaz family into a deadly forest.
Star and Marco crash Brittney Wong's birthday event which takes place on a party bus. While Star tries to make the party "fun", Marco gets carsick. Ludo and his minions attack and hijack the bus.
Star experiences "mewberty", that is, her skin breaks out in hearts whenever she is near boys. Although Marco thinks it's much like the Earthling condition, Star's is more extreme. She sprouts hearts all over her body, and transforms into a butterfly creature that captures boys and seals them away. Marco turns to the Glossaryck, a genie inside Star's book of magic, for advice on how to stop her.
After making prank calls on Star's magic mirror, Marco, Alfonzo, Ferguson, and Star must go to Pixtopia: Land Of The Pixies and pay the bill. When they can't pay it, they are forced to work in a mine shaft. The Pixie Empress flirts with Ferguson.
Ludo fires his minion Lobster Claws after he accidentally takes off Deer Beard's antler when trying to get Star's wand. Marco tries to help Lobster Claws become good while Star thinks he cannot be reformed.
Marco discovers that Star has been "sleep spelling", that is, casting spells when sleepwalking. He tries psychology to try to treat her.
Star accepts her ex-boyfriend Tom's invitation to Demon Prom, but Marco is suspicious of Tom's intentions and crashes the prom to prevent Star from getting her heart broken again.
Star believes that fortune cookies magically predict the future and should be followed literally.
Star manages to accidentally freeze time with her wand.
Star's father shows up unexpectedly for a visit.
Star must face her greatest fear and travel to St. Olga's Reform School for Wayward Princesses to bust out Flying Princess Pony Head for her birthday.
Star commerates Mewnipendance Day with a recreation of the historic battle.
Star sees a commercial for a magical Earth product.
Miss Skullnik puts Star in charge of a school field trip to the Dimension of Wonders and Amazements.
Star helps Margo grow a beard.
Star allies with Buff Frog to rescue Marco from Toffee.
Marco, and Star's new wand, are trapped in her secrets closet, which Star cannot open without magic.
Cast adrift by Star, Ludo must learn to survive in the wild.
According to the school career counseior, Star is destined to be Queen of Mewni, and Marco has a promising future in the garbage industry.
Star goes to the Royal Laundry, and meets the Knight of the Wash.
Star continues to have recurring visions of Glossaryck and believe he is haunting her.
Tom snubs Star at the Silver Bell Ball.
Star and Marco go in search of Queen Moon.
Star's search for her Mom takes her to the home of the Pie Folk, where she must outwit them in order to reunite her family.
Moon is back, and Star wants to find the perfect time to tell her about Globgor.
Complete episode guide for Star vs. the Forces of Evil with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.
Marco attempts to earn his red belt, while Star is on a quest to find a hammer.
Marco enlists the help of Oskar and Glossaryk to stop Star on a run-away bicycle.
Star attempts to get her wand back from a strange dog while playing fetch with the laser puppies.
On the run from the law, Star takes refuge in Echo Creek aquaduct.
Star's wand is affected by Ludo's actions in Mewni.
Star meets her childhood warrior hero Mina, who Marco thinks is just a crazy dumpster lady.
Star and Marco go camping to see the geyser "Old Youthful", and run into Star's father.
Star and Marco babysit the tadpoles as Buff Frog works to provide for his family.
Buff Frog joins BooFly's crew on a job to get stolen corn.
Star and her friends wait in a long line for the universe's best hot dog.
Glossaryck hides in a doughnut box following an argument with Star.
Star competes in the Game of Flags at the Butterfly-Johansen family reunion
Star gets nominated as Mayor of Detention.
During a game of "Truth or Punishment", will someone fess up to lying about an embarressing question, or will they all face the dire punishment?
Marco's Quest Buy gift card from Star is due to expire, with unexpected consequences. Can Marco find a gift he truly appreciates before Miss Heinous's hitman catches up to him?
Tom befriends Marco. But to what nefarious end?
Buff Frog investigates the breach in the human's cornfield forcefield.
Jenna and Star summon "Hungry Larry" in an effort to make the Diaz haunted house more scary.
The inner workings of Star's wand are revealed.
Star travels into her wand to try and fix it
When Marco and Ponyhead pick up a pizza for Star, the simple task becomes a disaster.
Star tries to resist the temptation of reading a forbidden chapter in her Book of Spells.
Marco grows a second head that blurts out his secrets and insecurities whenever he tries to ask out Jackie.
Star has second thoughts about attending a dead clown's seance when Jackie asks Marco to go to the school dance with him, Part 1 of 2.
Star has second thoughts about attending a dead clown's seance when Jackie asks Marco to go to the school dance with him, Part 2 of 2.
Star tries to rescue Glossaryck and the Book of Spells from Ludo.
Star sets out to prove that party magician Preston Change-O is a real magician.
Star must show her fairy godmother, Baby, what she has learned about magic.
When Marco abuses the Dimensional Scissors, the Scissors Enforcer, Heckapoo gives Marco an ultimatum.
When Star refuses to solve a problem in math class, she learns that avoiding her least favorite subject may have cosmic repercussions.
When Star discovers that the Bounce Lounge is closing, she and Marco enlist their old Bounce Crew to make sure the party continues.
Rhombulus, convinced that Star is the source of a universe-wide magical glitch, brings her before the Chancellor of the Magical High Commission.
Ludo forces Glossaryck to teach him about the Book of Spells.
Ms. Heinous shows up at the Diaz house and Marco must make amends for all the terrible things he has done.
Marco wants to prove to Sensei that he's more worthy than Jeremy.
Star must restore Echo Creek High's spirit after destroying the Possum statue.
When Star invites Jackie to a Love Sentence concert with her and Marco, she tries to make sure Jackie doesn't feel like a third wheel.
On Star's Song Day, Star and Marco work with principle songstrel Ruberiot to create a ballad for the event.
Hoping to help her forget about her strained friendship with Marco, Star's friends convince her to ditch the Diaz' end-of-the-school-year party for a more dangerous bash.
Star meets the ancient Queen Eclipsa.
Star and Tom's friendship is put to the test when Tom decides to get rid of his demons.
Marco decides to put in a full effort to living life in the present on Earth.
Knight of the wash, Sir Lavabo, gets a familiar squire.
Star prepares for the Midnight Warrior Blowout Sale at Quest Buy.
A surprise visitor pressures Marco to reveal Turdina's true identity.
Star goes out into the field to understand why Mewmans treat Monsters unfairly.
Star discovers she travels through multiple dimensions in her dreams.
Kelly breaks up with her boyfriend and Marco questions his friendship with Star Butterfly.
Star urges the royal youth of Mewni to sign a petition calling for the equal treatment of Monsters.
Star is thrilled when Ponyhead invites her to dinner with her sisters.
Star learns that Marco and Hekapoo have been dealing with rogue interdimensional portals.
Star learns that Marco and Hekapoo have been dealing with rogue interdimensional portals.
Star, Marco and the rest of Mewni celebrate a special snowy holiday, "Stump Day".
Spider with a Top Hat invites one of Eclipsa's dark spells to the office holiday party.
King River interrupts Star's eager investigation into Eclipsa's past and demands her help on a dangerous hunt
Moon enlists Eclipsa herself to access Mewni's most guarded records.
Moon and the Magical High Commission put Eclipsa on trial for her evil past with Star as a key witness.
Dennis goes on a dangerous journey to find Ludo living in another dimension.
Buffrog leaves Mewni in search for a better life, and Star goes to look for him.
Marco returns to Echo Creek to discover that his mom is pregnant.
Ponyhead returns to St. O's and finds that the curriculum got tougher.
A magical photo booth at a wedding goes on the fritz and captures Star and Marco inside.
Pony Head shuts herself away to watch the finale of her favorite Korean drama.
Eclipsa and Moon bring Princess Meteora home peacefully after the massive destruction she's caused.
Star becomes acting queen and plans for Marco and his warriors to delay Meteora from reaching Castle Butterfly long enough for Star to find Moon and destroy the monster princess.
Star must find the courage to face Meteora alone and make a decision that will change the kingdom forever.
Star and Marco plan their beach day, but Eclipsa needs Star's help with an unexpected problem.
Star and Marco journey to the Neverzone to rescue his friend Nachos from mysterious demons.
When a storm traps Star at Tom's family lake house, she turns it into a fun excursion.
Star and Marco turn into amateur sleuths to find who tried to turn Eclipsa to stone.
Moon and River try to adjust to life after giving up their crowns.
Star enlists Ponyhead to help make Eclipsa more popular.
Star tries her best to distract the Spider Bite family when Eclipsa is late for her first royal dinner.
Star, Marco and Janna want to take full advantage of Quest Buy's "Going Out of Business Sale."
Marco and Kelly risk life and limb to return a library book before it's overdue.
Star and Marco go on a perilous quest to break the curse of the Blood Moon.
Ludo becomes determined to figure out how to not let his past hinder him any longer and continue on with the rest of his life.
Moon revisits the Butterfly Castle ruins to discover an item she left behind, but she is soon surprised.
Star tries to convince Buff Frog to move back to Mewni.
Glossaryck needs Meteora to help him with an errand.
Star and Marco have to make some decisions about the future.
Star and Marco have to rescue a kidnapped Eclipsa.
Tom learns how to have fun without Star.
Star and Eclipsa's spells come face to face, and they must team up to stop a lethal spell gone rogue.
Marco and Tom go on a dragon-cycling adventure.
Eclipsa has a date with Globgor.
Star plans a coronation for Eclipsa to become Queen.
Star attempts to figure out what to do with her life after she is not responsible for Mewni any longer.
Marco is determined to consume 50 tacos in order to win a special prize that is being offered at Britta's Tacos restaurant.
Star gets ready to actually have the day at the beach with Marco.
Marco misplaces both Mariposa and Meteora somewhere in Hekapoo's dimension.
Tom breaks up with Star but is not prepared for the consequences.
Star and Marco need Janna's help to return to Mewni.
Star, Marco, Janna and Tom lose their memories as they traverse amnesia-inducing waters to get back to Mewni.
Star arrives in Mewni as a soldier attacks Monster Castle.
Star, Ponyhead, Sea Horse, Kelly, Rich Pigeon, Jorby, Talon and Quirky Guy all arrive to bail out Eclipsa.
Moon arrives to save the day.
Moon and Mina agree to disagree.
Star searches for a way to defeat Mina and her Solarian Warriors.
Star attempts to solve all of her problems.