Saitama is a hero who only became a hero for fun. After three years of "special training," he’s become so strong that he's practically invincible. In fact, he's too strong—even his mightiest opponents are taken out with a single punch. Alongside Genos, his faithful disciple, Saitama performs his official hero duties as a member of the Hero Association. One day, monsters claiming to be from the Monster Association suddenly appeared, taking a child of Hero Association executive hostage. The S-class heroes gather…
Genres: Action, Comedy, Sci-Fi, Supernatural
Watch One-Punch Man Season 3 episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.