Hulu

Apple TV

Amazon Video

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Google Play Movies

The Strongest Man

The Lone Cyborg

The Obsessive Scientist

The Modern Ninja

The Ultimate Master

The Terrifying City

The Ultimate Disciple

The Deep Sea King

Unyielding Justice

Unparalleled Peril

The Dominator of the Universe

The Strongest Hero

Season 1

Cleaning Up the Disciple’s Mess

Animation

Comedy

Action & Adventure

One-Punch Man

TV Tokyo

TV Aichi

TV Osaka

Season 2

Season 3

Specials

Saitama is a hero who only became a hero for fun. After three years of “special” training, though, 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, and it turns out that being devastatingly powerful is actually kind of a bore. With his passion for being a hero lost along with his hair, yet still faced with new enemies every day, how much longer can he keep it going?