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Puniru Is a Kawaii Slime S1E20 — Trick or Kawaii!
Puniru Is a Kawaii Slime•Season 1•Episode 20

Trick or Kawaii!

Aug 24, 202524 min
Discussion

Gelee joins Kotaro's class as a student, to her chagrin. Meanwhile, Puniru plans a big surprise for Halloween.

Previous episodeE19 · A Midsummer's Runrune ResortNext episodeE21 · Art Is All About "Kawaii"!
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Seasons1

All1

Season 1 Episodes24

I HATE YOU and I LOVE YOU stillE1 5.8

I HATE YOU and I LOVE YOU

Neither Friend nor Slime stillE2 5.8

Neither Friend nor Slime

Kawaii Puniru is a Slime stillE3 5.5

Kawaii Puniru is a Slime

Alice in Kyuthi Land stillE4 6.2

Alice in Kyuthi Land

GO! GO! Fabulous Cheer Routine! stillE5 5.9

GO! GO! Fabulous Cheer Routine!

The Runrune-tastic Grand Prix, Now with Puniru! stillE6 6.0

The Runrune-tastic Grand Prix, Now with Puniru!

Sweet Bitter Summer stillE7 6.7

Sweet Bitter Summer

Gather 'Round for the School Festival! stillE8 5.2

Gather 'Round for the School Festival!

Let's Start a Band, Punks! stillE9 5.6

Let's Start a Band, Punks!

Merry Punirumas! stillE10 5.1

Merry Punirumas!

Scoop Up a Spoonful of Christmas stillE11 5.4

Scoop Up a Spoonful of Christmas

A Lovely, Puniful Destination stillE12 5.4

A Lovely, Puniful Destination

Puniru Returns stillE13

Puniru Returns

Going on a Journey with My Childhood Friend Slime in Another World. And Valentine's, Too! stillE14

Going on a Journey with My Childhood Friend Slime in Another World. And Valentine's, Too!

Rune Rune Dance stillE15

Rune Rune Dance

A Being More Perfect than a Toy stillE16

A Being More Perfect than a Toy

Puniru Powers Up?! See It for Yourself! stillE17

Puniru Powers Up?! See It for Yourself!

A Human Happy Ending stillE18

A Human Happy Ending

A Midsummer's Runrune Resort stillE19

A Midsummer's Runrune Resort

Trick or Kawaii! stillE20Now viewing

Trick or Kawaii!

Art Is All About "Kawaii"! stillE21

Art Is All About "Kawaii"!

Friendly Enough to Always Argue stillE22

Friendly Enough to Always Argue

The Human Condition stillE23

The Human Condition

That's What the World Calls Love stillE24

That's What the World Calls Love

Cast2

Yu Sasahara

Yu Sasahara

Puniru (voice)

Shuichiro Umeda

Shuichiro Umeda

Kotaro Kawaii (voice)

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Episode Summary

"Trick or Kawaii!" is episode 20 of Puniru Is a Kawaii Slime season 1. It aired on August 24, 2025.

Next: E21 · Art Is All About "Kawaii"!Best of Season 1