S1 E1 • Star sur Terre

Star receives the royal magic wand but her parents panic and send her to Earth.

Première diffusion : 18 janvier 2015

S1 E2 • Mes meilleurs amis

Star's best friend from her home dimension visits and is threatened by Star's new friendship with an earthling named Marco.

Première diffusion : 18 janvier 2015

S1 E2 • Mes meilleurs amis

Monster Arm: Star accidentally turns Marco's arm into a monster arm when he has to do karate. The Other Exchange Student: Star is jealous when the family's best friend shows up.

Première diffusion : 18 janvier 2015

S1 E3 • L'Entremetteuse

After failing a math test, Star tries to convince her teacher to change her grade.

Première diffusion : 30 mars 2015

S1 E4 • School Spirit

Marco tries to cheer up Star and ends up summoning Ludo and an army of monsters! Star and Marco venture to Quest Buy to get a new wand charger before Star's wand dies...forever.

Première diffusion : 30 mars 2015

S1 E4 • L'Esprit d'équipe

Star misunderstands when she hears that the school football team is going to "get slaughtered".

Première diffusion : 30 mars 2015

S1 E5 • Tentacule tentateur

Marco's hurt arm is accidentally turned into a giant tentacle.

Première diffusion : 6 avril 2015

S1 E6 • Mewberty/Pixtopia

Star starts sprouting hearts all over her body, the telltale sign of "Mewberty." Marco and his friends travel to a dimension of pixies and are forced to work in the Shard Mines.

Première diffusion : 6 avril 2015

S1 E6 • L'Autre Étudiant étranger

Gustav comes to visit the Diaz family.

Première diffusion : 6 avril 2015

S1 E7 • Courage Star !

Marco tries to cheer up Star and ends up summoning Ludo and an army of monsters!

Première diffusion : 13 avril 2015

S1 E8 • Blood Moon Ball/Fortune Cookies

When Star attends Demon Prom with her ex-boyfriend, Marco follows to prevent Star from getting into trouble. Marco convinces Star that fortune cookies contain magical prophecies.

Première diffusion : 13 avril 2015

S1 E8 • Panne de batterie

Star and Marco must navigate through a maze-like store, Quest Buy, to get a new wand charger before Star's wand dies forever.

Première diffusion : 13 avril 2015

S1 E9 • Les Vacances de la famille Diaz

Star forgets to get the Diazes an anniversary present, so she invites them on a trip to Mewni.

Première diffusion : 20 avril 2015

S1 E10 • Une fête monstre

Star crashes a birthday party but has to fight off Ludo's monsters.

Première diffusion : 20 avril 2015

S1 E10 • St. Olga's Reform School for Wayward Princesses

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.

Première diffusion : 20 avril 2015

S1 E11 • Puberté

Star starts sprouting hearts all over her body, the telltale sign of "Mewberty."

Première diffusion : 15 juin 2015

S1 E12 • Interdimensional Field Trip/Marco Grows A Beard

Star leads a class field trip to a museum in another dimension. Star uses magic to help Marco grow a beard, but messes up the spell and causes it to grow out of control.

Première diffusion : 15 juin 2015

S1 E12 • Pixtopia

Marco and his friends travel to a dimension of pixies and are forced to work in the Shard Mines.

Première diffusion : 15 juin 2015

S1 E13 • Omar les Pinces

Star and Marco attempt to help Lobster Claws adjust to life on Earth.

Première diffusion : 22 juin 2015

S1 E14 • Star Somnambule

Star and Marco try to determine who has been redecorating her room, with Mr. Diaz only accounting for a small project. Marco discovers that Star has been "sleep spelling", that is, casting spells when sleepwalking. He tries psychology to try to treat her but learns that she is actually trying to defend herself from an intruder, revealed to be Princess Smooshy, an ugly "goblin-elephant" princess who wants to steal Star's face so she can avoid getting sent back to St. Olga's Reform School for Wayward Princesses after escaping it.

Première diffusion : 22 juin 2015

S1 E15 • Le Bal de la Lune rouge

Star's ex-boyfriend Tom invites her to the Blood Moon Ball, an Underworld event that occurs once every 667 years. Tom claims he has turned over a new leaf, having hired an anger management consultant. Marco does not believe Tom has changed but Star decides to go anyway. When Marco disrupts Tom's plan to take Star for himself under the Blood Moon's light, Tom reverts to his old self.

Première diffusion : 20 juillet 2015

S1 E16 • Prédictions sucrées

Following yet another victory over Ludo and his minions, Marco and Star eat at a Chinese restaurant. Marco tricks Star into thinking the sayings in fortune cookies can really predict the future. Meanwhile, Ludo hires a monster named Toffee to shape up his minions. They come up with a plan to take advantage of Star's fortune cookie obsession.

Première diffusion : 20 juillet 2015

S1 E17 • Temps suspendu

Star freezes time with her wand so that Marco can appear at Echo Creek Academy on time for his morning greeting nod with his crush Jackie Lynn Thomas. But when she is unable to cancel out the effects, she and Marco visit the Plains of Time in order to get Father Time to restart time again.

Première diffusion : 27 juillet 2015

S1 E18 • Surprise royale

Star gets an unexpected visit from her father who had been kicked out of the house for not picking up after himself. After getting excited over Earth activities such as using a flush toilet and playing miniature golf, he ends up overstaying his welcome. He hosts a party with his inter-dimensional friends, but it is soon crashed by a sun character named Helios.

Première diffusion : 27 juillet 2015

S1 E19 • Tentative d'évasion à Sainte-Olga

Star and Marco go undercover as new princess students in order to break Flying Princess Pony Head out of St. Olga's on her birthday. They discover that Pony Head has been brainwashed to be a compliant princess and try to evade the robot guards and the reform school's headmistress Miss Heinous.

Première diffusion : 10 août 2015

S1 E20 • Reconstitution historique

Star Butterfly recruits her classmates, Miss Skullnick, and the Dojo Sensei to participate in a battle reenactment of Mewni's Independence Day. Ludo and Toffee use a special floating eye device to spy on Star and her activities. Ludo's minion Buff Frog infiltrates the reenactment as one of the monsters to try to steal the wand.

Première diffusion : 17 août 2015

S1 E21 • Une idée rafraîchissante

Impressed by a commercial for a "magical" Earth product called a Banagic Wand, Star tries to get Marco to buy it, but Marco refuses as he has karate class. Star ends up going into town by herself where she confuses a pirate-themed restaurant for having real pirates and trashes the place. Meanwhile, Marco's Dojo Sensei wants his students to channel their emotions to walk across hot coals.

Première diffusion : 17 août 2015

S1 E22 • Une sortie scolaire interdimensionelle

Miss Skullnick's class finds the field trip to the Echo Creek Museum of Paper Clips boring, so Star volunteers to lead a trip to the Dimension of Wonders and Amazement. But when she lets the students do whatever they want, she puts the entire class in danger. Meanwhile, Miss Skullnick visits an exhibit on troll history. When a yarn monster captures the class, Star and Miss Skullnick must work together to save them.

Première diffusion : 14 septembre 2015

S1 E23 • La Barbe de Marco

Star botches a spell that would help Marco grow a beard in order to impress Jackie Lynn Thomas. The hair grows out of control, engulfing the house, and Star loses her wand in the midst of it. Meanwhile, Ludo leads his minions through the overgrown beard to find the wand.

Première diffusion : 14 septembre 2015

S1 E24 • Star contre Toffee

Toffee has taken over Ludo's castle; he has one of Ludo's minions abduct Marco. Star allies with Buff Frog (and the kicked-out Ludo) to storm the castle and beat up Ludo's former minions and free Marco. However, Toffee arranges for the box imprisoning Marco to gradually collapse, forcing Star to destroy her wand in exchange for sparing Marco. The resulting explosion destroys Ludo's castle and Toffee, after which Star banishes Ludo. Star is left with a new wand that is missing a piece.

Première diffusion : 21 septembre 2015