May 30, 2025 · 51m
“How are you going to fight tomorrow? It starts tomorrow." After losing the cassette, Ui-Gyeom meets Yoon-Ki and their normal life is shaken up.
ONE: High School Heroes
A former model student, pushed by domestic abuse and bullying, joins a group that stands up to school violence and defends its victims.
Season 1 Episodes
Browse every episode and jump into details.
May 30, 2025 · 46m
“Fighting is a talent, after all.” After a fight with Seung-joon, he encounters an unexpected accident.
May 30, 2025 · 47m
“I don't want to give in, not to them...” The resolve to fight back. Despair, visions, and an unexpected hand lead him on.
May 30, 2025 · 41m
“The problem is there are too many bad guys in the world." Anger with nowhere to go and shaky justice. Yun and Yi decide to “revolutionize.
Jun 6, 2025 · 46m
Jun 6, 2025 · 47m
Jun 13, 2025 · 48m
Jun 13, 2025 · 49m
Season 1 FAQ
Quick answers about this season's release timeline and episode lineup.
When did ONE: High School Heroes Season 1 premiere?
ONE: High School Heroes Season 1 premiered on May 30, 2025.
How many episodes are in ONE: High School Heroes Season 1?
ONE: High School Heroes Season 1 has 8 episodes.
What is the first episode of ONE: High School Heroes Season 1?
The season opens with Season 1 Episode 1, "Episode 1". It aired on May 30, 2025.
Go to Season 1 Episode 1