One-Punch Man: Season 1, Episode 1 - ProjectFreeTV

1 - 1: The Strongest Man

Saitama is a guy who's a hero for fun. After saving a child from certain death, he decided to become a hero and trained hard for three years. Though he's now so strong he can defeat any opponent with a single punch, lately he feels as if, in exchange for overwhelming power, he's lost something even more important.