Saitama started out being a hero just for fun. After three years of "special" training, he became so powerful that he can defeat opponents with a single punch. Now, alongside Genos, his faithful cyborg disciple, Saitama is ready to begin his official duties as a professional hero working with the Hero Association.However, the frequency of monster appearances is surging and it increasingly appears as if the Great Seer Madame Shibabawa`s prediction about the Earth`s doom is coming true. In the midst of this crisis, the "hero hunter" Garou makes his own appearance.
- Other Title: One Punch Man 2nd Season Specials, ワンパンマン SEASON 2 OVA 2, One Punch Man Season 2 Specials, One Punch Man Season 2, OPM 2, One-Punch Man 2, One Punch-Man 2, ワンパンマン 2, One Punch Man S2, One-Punch Man: Season 2, One Punch Man, ONE PUNCH MAN ワンパンマン 2, ONE PUNCH MAN ワンパンマン
- Status: Completed
- Sub/Dub: Anime Dub
- Anime Type: Special
- Genres: Action, Comedy, Parody, Sci-Fi, Super Power, Supernatural, Adult Cast, Fantasy, Martial Arts, Mecha, Seinen
- Characters: Saitama
- Score: 7.38
- Rank: 2191
- Popularity: 1670