Puniru Is a Kawaii Slime: Season 1
Episode Guide
Season 1 Progress Shield
I HATE YOU and I LOVE YOU
Oct 6, 2024 · 24 min
Puniru follows Kotaro to school to take him something he forgot, but they end up getting into a fight. Puniru turns into an idol to get Kotaro to admit she’s cute. Kotaro tries to
Neither Friend nor Slime
Oct 13, 2024 · 24 min
Kotaro asks Puniru to turn into a first grader and act lost so he can look good in front of Kirara-senpai, but little does he know Kirara’s maternal instincts go into overdrive aro
Kawaii Puniru is a Slime
Oct 20, 2024 · 24 min
Kotaro’s favorite plushie as a child was the adorable Kyuthi-chan, which had a profound (jealous) effect on Puniru. Now he wants to go to the Kyuthi Café, where he gets Puniru to p
Alice in Kyuthi Land
Oct 27, 2024 · 24 min
Alice, granddaughter to the president of the toy company that made Kyuthi-chan, challenges Puniru to see whether she or a character Alice created is more adorable—and you could say
GO! GO! Fabulous Cheer Routine!
Nov 3, 2024 · 24 min
In an attempt to please Alice, Hodai dons a Runrune costume. Meanwhile, Nanpa, Puniru, and Hone-chan fight over Robo Runrune. Then, to put some pep back in the exhausted Kirara-sen
The Runrune-tastic Grand Prix, Now with Puniru!
Nov 10, 2024 · 24 min
Puniru gets moldy and down in the dumps when Runrune starts ignoring her. Later, she’s determined to get Runrune and Alice to be friends again. Next, AI Runrune hits the scene, and
Sweet Bitter Summer
Nov 17, 2024 · 24 min
Kotaro and the boys go to the beach for a day of fun while Puniru and Kirara-senpai are at the school pool. Later, Kotaro asks Puniru to help him cool off with a special transforma
Gather 'Round for the School Festival!
Nov 24, 2024 · 24 min
It’s time for the school festival, but Puniru and Alice get into a fight over Kotaro. Alice tries to win him over with an incredible offer, and Puniru tries to throw the match so h
Let's Start a Band, Punks!
Dec 1, 2024 · 24 min
Kotaro wants to be cool and decides to try his luck with dragons and a rock band. Puniru then lets the cat out of the bag about Kotaro’s feelings for Kirara, which forces him to ma
Merry Punirumas!
Dec 8, 2024 · 24 min
Ever since being teased as kid for liking cute things, Kotaro has never enjoyed Christmas. This year his parents are going on a trip for the holiday, so in order to avoid being stu
Scoop Up a Spoonful of Christmas
Dec 15, 2024 · 24 min
Puniru says she’ll spend the holiday with whoever brings her the cutest Christmas cake, but the offerings she gets are... interesting. When a certain someone loses their patience,
A Lovely, Puniful Destination
Dec 22, 2024 · 24 min
Out of the blue, Kotaro wins tickets to a ski resort—specifically the Runrune Resort run by Alice. When they get there, Puniru is determined to make an impression, and her desire t
Puniru Returns
Jul 6, 2025 · 24 min
While hoping for Puniru's return, a lonely Kotaro sees the fruits of her cuteness training from afar. One day, he receives an unexpected package.
Going on a Journey with My Childhood Friend Slime in Another World. And Valentine's, Too!
Jul 13, 2025 · 24 min
Finding himself transported to a fantasy world, Kotaro learns he must rescue Princess Kyuthi, who has been imprisoned in the Demon Lord's castle.
Rune Rune Dance
Jul 20, 2025 · 24 min
After Runru breaks down, Puniru decides to inject it with some slime-based medicine that has an unexpected side effect: awakening its sense of self.
A Being More Perfect than a Toy
Jul 27, 2025 · 24 min
Mado succeeds in creating an artificial slime lifeform and names her Gelee. Wanting to become more human, Gelee begins searching for someone to love.
Puniru Powers Up?! See It for Yourself!
Aug 3, 2025 · 24 min
Kotaro has big plans for the summer, but could he be his own worst enemy? Meanwhile, Puniru seeks to power up.
A Human Happy Ending
Aug 10, 2025 · 24 min
Gelee becomes the center of attention among the school's boys, including Kotaro, much to Puniru's chagrin.
A Midsummer's Runrune Resort
Aug 17, 2025 · 24 min
Alice invites Kotaro to stay at Runrune Resort, but all Kotaro can think about is Gelee and her advances.
Trick or Kawaii!
Aug 24, 2025 · 24 min
Gelee joins Kotaro's class as a student, to her chagrin. Meanwhile, Puniru plans a big surprise for Halloween.
Art Is All About "Kawaii"!
Aug 31, 2025 · 24 min
Hodai hatches a scheme to discredit Kotaro in Alice's eyes by having him face Nanpa in an artistic face-off.
Friendly Enough to Always Argue
Sep 7, 2025 · 24 min
Kotaro gets into a big fight with Puniru, who runs away to Mami's apartment and meets the Kirara family.
The Human Condition
Sep 14, 2025 · 24 min
Kotaro holds a study group with friends, but his careless remark to Gelee ends up having dire consequences.
That's What the World Calls Love
Sep 21, 2025 · 24 min
Puniru turns into a perfect human girl, but Kotaro doesn't seem as happy to hear the news as everyone else.