One-Punch Man began as a webcomic created by the artist ONE and was first published online, marking the origin of the franchise.
The original webcomic was adapted into a manga with artwork by Yusuke Murata, increasing the series' popularity and reach.
Announcement of the first season of the One-Punch Man anime adaptation, signaling the series' expansion into animation.
The first season of the One-Punch Man anime aired, attracting international attention and critical acclaim.
The conclusion of the first season of the One-Punch Man anime, completing the initial animated adaptation.
The announcement of the second season of the One-Punch Man anime, exciting fans for the continuation of the show.
The second season of the One-Punch Man anime began airing, continuing the story with some changes in production.
The second season of the One-Punch Man anime aired its final episode, wrapping up the subsequent season.
Saitama starts his intense training regimen of 100 push-ups, 100 sit-ups, 100 squats, and a 10 km run every day, leading to his overwhelming power.
Saitama defeats Vaccine Man effortlessly, marking his first display of overwhelming strength and beginning his journey as a hero.
Saitama joins the Hero Association after passing the entrance exam, becoming a registered hero with a low rank due to his poor test scores.
Garou, a former disciple of Bang, begins his crusade against heroes, targeting and defeating multiple members of the Hero Association.
The House of Evolution attacks the city, but Saitama eliminates all threats including Boros, the alien leader, showcasing his immense power.
Garou escalates his attacks on heroes and civilians, earning the moniker 'Hero Hunter' and becoming a significant threat to the Hero Association.
Monsters attack the city, and top-ranked heroes including Blast and Tatsumaki mobilize to defend humanity.
Saitama confronts Garou in a decisive battle, ultimately defeating him and ending Garou's rampage.
New heroes rise in the ranks while new powerful monsters begin to surface, pushing the Hero Association to its limits.
