It premiered on January 24, 2020.
Luz, Eda and King are on the shores scavenging for human garbage from a beached trash slug, much to Luz's disgust. She was hoping to read ancient scrolls or mix potions, but Eda is not interested in stuff that reminds her of magic school where they force students to learn magic the proper way. In her opinion, magic is wild and unpredictable which she finds beautiful. Because of this, she quit school to master magic the proper way. Luz leaves Eda to scavenge and makes her way back to the Owl House, thinking about magic school. She wants to see what its like, and begins to doubt Eda's teachings. Along the way she meets a witch-in-training named Willow, who is having problems with her Abomination, which has become nothing more than a pile of goo. Luz decides to help her by becoming her Abomination and in return gets to see a magic school.
Willow sneaks Luz into Hexside School where they meet Augustus and "Top Student" Amity Blight. At Abomination class, Willow presents Luz, covered in Abomination goo, to her class. She successfully pulls off her role, and the teacher is impressed. Willow is even made "Top Student", which infuriates Amity. She suspects foul play and threatens to expose Willow at the first sign of deception.
Meanwhile, Eda and King get into an argument over being a teacher. King thinks Eda is going to lose Luz as her apprentice and believes he could do better. So they decide to make a bet. King must prove he can be a better teacher by training a Trash Slug to be his soldier in one day. If he succeeds he can have Luz as his apprentice while Eda has to wear a shame hat and sleep in the shed. But if King fails Eda will change his name to Mr. Wiggles. Eda accepts, knowing she will win likes she always does. King starts training his Trash Slug by feeding it doggy treats. However, his efforts to get it to respond commands are unsuccessful as its more interested in the treats. Eda eventually notices that Luz has disappeared. Hooty hints to her that she is at Magic School. Eda is upset at this and believes she has lost her student. She admits defeat and locks herself away in the shed, wearing a shame hat.
Back at school, Amity is keeping a close watch on Willow and Luz. She gets sent to Principal Bump's office when she tries to force the truth out of Luz. However, she is able to convince Principal Bump to take a closer look at Willow's Abomination. Much to Luz's horror, she wants to dissect her. However, Gus makes a distraction long enough for Willow and Luz to escape. Principal Bump locks down the school, trapping them inside. However, using a seed Luz had in her pocket, Willow unleashes vines upon the school, trapping the Principal and giving Luz a chance to escape. Amy stands in the way, but Willow holds her off while Luz escapes.
Back at the Owl House, King's Trash Slug has grown due to overfeeding it with doggy treats, and it wants more. He begs for Eda to help him, and admits defeat. Eda helps King defeat the slug by feeding it salt, causing it to shrink. Just then, Luz returns, crying for help. But then Willow and Gus show up with some good and bad news. Principal Bump was so impressed with Willow's skills with plants that he moved her to the plant track. Luz also learns that she has been banned from the school, but is okay with it. She apologizes to Eda for leaving and comes to appreciate her as her mentor.
- Sarah-Nicole Robles as Luz Noceda
- Wendie Malick as Eda Clawthorne
- Alex Hirsch as King & Hooty
- Tati Gabrielle as Willow
- Mae Whitman as Amity Blight
- Issac Ryan Brown as Gus
- Bumper Robinson as Principal Bump
- JB Blanc as Abomination Teacher & Snake Teacher (uncredited)
- Kimberly D. Brooks as Kindergarten Teacher
- Grey Griffin as Horned Female Student, & Monster Student
- Eden Riegel as Abomination & Hexside Babies
- Matt Chapman as Spiked Headed Student (uncredited)
Title in other languages
|Spanish (Latin America)||Yo fui una abominable adolescente||I was a Teenager Abominable|
|Portuguese (Brazil)||Eu Fui Uma Aberração Adolescente||I was a Teenager Aberration|
|German||In Der Zauberschule||In the Magic School|
|Spanish||Yo fui una abominación adolescente||I Was a Teenage Abomination|
|French||Abomination abominable||Abominable Abomination|
|Italian||Luzabominio||Luz the Abomination|
|Japanese||ルースと魔法学校||Luz and the Magic School|
|Korean||액체괴물이 된 루스||Luz Became a Slime Monster|
|Dutch||Ik was een puberaal wangedrocht||I was a Teenage Monstrosity|
|Portuguese||Eu Fui uma Abominação Adolescente||I Was a Teenage Abomination|
|Polish||Byłam abominacją||I Was an Abomination|
|Russian||Я подросток-мерзопакость||I'm an Abomination Teenager|
|Vietnamese||Tôi Là Quái Vật Bùn||I'm an Abomination|
|For a full transcript of "I Was a Teenage Abomination", click here.|
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- This is the first episode to be animated by Sugarcube.
- Willow, Gus, Amity, Braxas and Principal Bump make their first appearance in this episode.
- The episode completed production on August 9, 2019.
- This is the first, and only, episode to show Willow dressed in the Abomination track color. Likewise, it is the last episode to show her in her previous track color during the intro, as well as the first to have her dressed in the plant magic track color during the credits roll.
- When Eda looked through the first window at Hexside school, the 3rd code got revealed on the paper stuck on the board, it got cracked into "T-OH-R-N' and translated into "Torn".
- Russian title can be translated as both "I am a teenage-abomination" and "I'm a Vile Teenager" since the word "abomination" is translated with the word that has negative connotation.
Revelations and significant events
- This episode reveals that Eda had dropped out of Hexside.
- I Was a Teenage Werewolf and I Was a Teenage Frankenstein - The title of the episode is a parody to the 1957 horror films.
- Harry Potter - This episode references the Harry Potter series, with Luz making comparisons to how the school teaches magic to its students. She also references the Harry Potter series's recurring plot devices of elaborate mysteries. Willow has been pointed out to look like Harry, Gus has been compared to Ron Weasley, and Amity has been compared to Draco Malfoy.
- Little Witch Academia - Amity has also been compared to Diana Cavendish, a similar character from the aforementioned show.
- DC Comics - Willow's powers may be a reference to Poison Ivy, a supervillain who can control plants and speaks to them as their protector.
- One Piece - Luz's "BANNED" poster looks similar to Luffy's "WANTED" poster from One Piece.
- During the scene wherein King tells Eda that he has technically won their bet, one of his toes is not colored in.
- As noted in the Look Hooo's Talking aftershow, the episode shows all of the different coven colors except for brown (construction). This could be a mistake on the animators' part.
- When Luz is first introduced to the dump place, the monster is drooling. After one scene, the drool is gone.
- When the egg shell on king's head cracks, the shells aren't shown when Eda is leaving the scene.
- When Eda is looking at the classmates, the little kids are not in the place mat. When the POV changes to inside the classroom, the kids now sit on the mat.
- When Willow and Luz run away from the teacher, they are against a wall with no lockers, but when the POV changes, the lockers appear behind them.
- When the giant snail is kicking down the door, some pieces of wood fall on the floor, but when King is getting dragged out, the pieces of wood are gone.
- When Willow and Luz were running from the abominations, they were right behind them, but the abominations vanish a few frames later.