The WORST episodes of ONE: High School Heroes

Every episode of ONE: High School Heroes ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of ONE: High School Heroes!

A model student, once focused solely on grades, faces domestic abuse and school bullying. Joining forces with classmates, he forms "High School Heroes," a group that fights back against bullies on behalf of the victims.

Last Updated: 6/5/2026Network: WavveStatus: Ended

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#1 - Walkman

Season 1 - Episode 1 - Aired 5/30/2025

“How are you going to fight tomorrow? It starts tomorrow.” Yi-gyeom, who lost the cassette, meets Yoon-gi and his ordinary daily life begins to shake.

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#2 - Emergency room

Season 1 - Episode 2 - Aired 5/30/2025

"Fighting is indeed a talent." After a fight with Ui-gyeom and Seung-jun, he encounters an unexpected accident.

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#3 - Privileges

Season 1 - Episode 3 - Aired 5/30/2025

“I don’t want to be mean. To those guys...” Yi-gyeom confronts him again. Despair, welcome, and an unexpected hand lead him.

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#4 - Hero Mask

Season 1 - Episode 4 - Aired 5/30/2025

"The problem is that there are too many bad guys in the world." Anger with nowhere to go and wavering justice. Yoon-ki and Ui-gyeom decide on a 'revolution'.

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#5 - High School Superheroes

Season 1 - Episode 5 - Aired 6/6/2025

“Us? We just decided to be High School Super Heroes!!” Masked Yi-gyeom and Yoon-gi, the High School Super Heroes begin to move.

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#6 - Bad guy

Season 1 - Episode 6 - Aired 6/6/2025

“That’s enough. We have to be different from them.” High School Super Heroes in action. Choi Ki-soo appears in front of the outrageous Yi-gyeom and Yoon-ki who is trying to stop him.

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#7 - Dream

Season 1 - Episode 7 - Aired 6/13/2025

“You really used me to get revenge?” Yoon-ki’s past, broken trust. Ui-gyeom and Yoon-ki prepare for their final fight.

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#8 - Hero

Season 1 - Episode 8 - Aired 6/13/2025

"This is my first flight." Yi-gyeom faces everything. The song flows again, and high school superheroes stand on the road.

Watch Now:Amazon