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"Mewberty" is the first segment of the sixth episode of Star vs. the Forces of Evil. It premiered on June 15, 2015 alongside "Pixtopia".


Marco and Star's art class lets out, and they are about to leave for their next class when Marco notices a paint stain on Star's forehead. However, Star explains that it is not a paint stain but a heart spot, one of the first symptoms of Mewberty. Marco at first sees it as no big deal since everyone on Earth goes through a similar phase in their lives but Star tells him it is far more different than Earth puberty and could potentially destroy the school. Marco decides to take Star home, but already she begins to show an urging attraction to all the boys she passes and sprouts more hearts all over her body. She also develops the ability to creating purple sticky webs from her hands. Worried that she might harm Marco, she locks herself inside a school locker. Marco suggests checking Star's magic book and see if there is a way to stop her Mewberty, but Star says that she lost it in a bet with Ferguson.

Marco finds Ferguson in Spanish Class, and when he asks for Star's book, Ferguson tells him he gave the book to Janna. Marco soon finds Janna with the magic book and begins to search for a page on Mewberty but finds a little guy named Glossaryck instead. At first, he refuses to help Marco as he only serves princesses, but reluctantly volunteers to help him if he can provide him with some pudding. Meanwhile, Star is still hiding in the locker and manages to peal all the hearts off her body but more soon grow back when students pass by her locker. Her skin turns purple, her eyes begin to glow and now has an uncontrollable passion for boys. The locker she is in soon begins to overfill with hearts and form a heart-shaped cocoon. Eventually, Star emerges from the cocoon with six arms and wings.

While feeding the Glossaryck pudding, Marco asks him how he can stop Star's Mewberty. Glossaryck tells him it is a natural process that cannot be stop, but he assures that she may (or may not) return to normal. Suddenly, Marco hears a scream and goes off to check it out. The weather turns dual when Marco discovers half the school overgrown in purple hearts and vines. He also finds a number of boys trapped in purple webbing and soon finds Star about to wrap another boy in her web. Marco tries to reason with her, but Star ignores him and continues to wrap up her new captive. When he tries to interfere, Star reacts by wrapping him in her web until she hears Oskar's music. She attempts to wrap him in her web as well until Marco catches her in a tennis net. Marco holds tight to the net as Star tries to break free and begins to drag Marco all around the school. Glossaryck tells Marco that he is only making things worse by interfering. Finally realizing there is nothing he can do, he reluctantly lets Star go, who grabs Oskar and carries him up into the clouds. For a moment it all goes quiet and Star does not reappear. Just as Marco believes his friend is gone forever, hearts rain out of the sky, and Oskar returns to the ground unharmed. Then much to Marco's joy, Star returns, back to normal and with small wings.



The Disney Wiki has a collection of images and media related to Mewberty.


  • The title is a pun of the word puberty.
  • Star's magic book appears for the second time in this episode, the first episode was in "Monster Arm".
  • From this episode, Mercury Filmworks no longer animates for the series.
  • Star gets wings.
  • It is revealed that Ferguson can speak Spanish.

International Premieres

v - e - d
StarVTFOE Logo

Star vs. the Forces of Evil | Star vs. The Dungeon of Evil | Creature Capture | Star and Marco’s Guide to Mastering Every Dimension | Comic Books


Star Butterfly | Marco Diaz | Pony Head | Ludo | King and Queen Butterfly | Ferguson | Alfonzo | Jackie Lynn Thomas | Janna | Brittney Wong | Mr. and Mrs. Diaz | King Pony Head | Oskar Greason | Miss Skullnick | Tom | Laser Puppies | Charlie Booth | Chantelle | Sabrina | Jeremy Birnbaum | Justin | Buff Frog | Buff Frog's Tadpoles | Andrea | Lars | Monster Arm | Principal Skeeves | Dojo Sensei | Ludo's Army | Glossaryck | Pixie Empress | Princess Smooshy | Toffee | Father Time | Helios | Miss Heinous | Mina Loveberry


Season One: "Star Comes to Earth" / "Party With a Pony" | "Match Maker" / "School Spirit" | "Monster Arm" / "The Other Exchange Student" | "Cheer Up Star" / "Quest Buy" | "Diaz Family Vacation" / "Brittney's Party" | "Mewberty" / "Pixtopia" | "Lobster Claws" / "Sleep Spells" | "Blood Moon Ball" / "Fortune Cookies" | "Freeze Day" / "Royal Pain" | "St. Olga's Reform School for Wayward Princesses" | "Mewnipendance Day" / "The Banagic Incident" | "Interdimensional Field Trip" / "Marco Grows a Beard" | "Storm the Castle"
Season Two: "My New Wand!" / "Ludo in the Wild" | "Mr. Candle Cares" / "Red Belt" | "Star on Wheels" / "Fetch" | "Star vs. Echo Creek" / "Wand to Wand" | "Starstruck" / "Camping Trip" | "Starsitting" / "On the Job" | "Goblin Dogs" / "By the Book" | "Game of Flags" / "Girls' Day Out" | "Sleepover" / "Gift of the Card" | "Friendenemies" / "Is Mystery" | "Hungry Larry" / "Spider With a Top Hat" | "Into the Wand" / "Pizza Thing" | "Page Turner" / "Naysaya" | "Bon Bon the Birthday Clown"


Royal Magic Wand | Dimensional Scissors | Magic Instruction Book | Wheel of Progress


I'm from Another Dimension | Closing Theme | Space Unicorn


Mewni | Echo Creek | Echo Creek Academy | St. Olga's Reform School for Wayward Princesses | Diaz House | Quest Buy | Ludo's Castle | Pixtopia

See Also


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