One-Punch Man

24min

Animation

Comedy

Action & Adventure

Sci-Fi & Fantasy

The most powerful superhero in the world can kill anyone with one blow. But nothing can challenge him, so he struggles with ennui and depression.

Production Companies

Madhouse

J.C.STAFF

Bandai Visual

ADK

jeki

Shueisha

Lantis

Banpresto

Good Smile Company

TV Tokyo

ADK Marketing Solutions

Bandai Spirits

Bandai Namco Music Live

Bandai Namco Filmworks

Episodes

Cast

The Strongest Man

1. The Strongest Man

24min

5th Oct 2015

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.

The Lone Cyborg

2. The Lone Cyborg

24min

12th Oct 2015

A monster is moving toward City Z, one that has been created by the mysterious organization known as The House of Evolution. Genos, a young cyborg, attempts to stop it, but gets in over his head before Saitama happens along.

The Obsessive Scientist

3. The Obsessive Scientist

24min

19th Oct 2015

Saitama and Genos glean information about The House of Evolution and its founder Dr. Genus, a scientist with dangerous ideas on artificial human evolution. Meanwhile, Dr. Genus learns of Saitama’s amazing strength and has plans of his own for One-Punch Man.

The Modern Ninja

4. The Modern Ninja

24min

26th Oct 2015

A group of battlesuit-clad terrorists called “The Paradisers” appears in City F, led by an enormous man known as Hammerhead. Calling for the redistribution of wealth, the group targets the fat-cat Zeniru, who in turn dispatches his bodyguard to defeat them. Unfortunately, Saitama is on the same errand.

The Ultimate Master

5. The Ultimate Master

24min

2nd Nov 2015

Though he’s been doing the hero gig for three years, Saitama realizes that the public knows nothing about him. Determined to get a little recognition, he decides to become a pro hero, but first he must pass the Hero Association tests and become a full-fledged member.

The Terrifying City

6. The Terrifying City

24min

9th Nov 2015

It’s been five days since Saitama became a professional hero and he has yet to do anything heroic. When Genos informs him that C-class heroes who don’t fight bad guys are dropped from the hero registry after a week of inaction, Saitama heads out on patrol, yet can’t find any criminals or monsters to stop.

The Ultimate Disciple

7. The Ultimate Disciple

24min

16th Nov 2015

An enormous meteor hurtles toward City Z, forcing the Hero Association to ask its S Class heroes to respond. When all their efforts prove in vain, Genos decides it’s up to him to protect the home of his master and stop the meteor, no matter what the cost.

The Deep Sea King

8. The Deep Sea King

24min

23rd Nov 2015

A pack of monsters calling themselves the “Clan of the Seafolk” arrive on the shores of City J intent on invading the land. When the hero sent to fight them is defeated easily by the Deep Sea King himself, Saitama and Genos head for the city to help.

Unyielding Justice

9. Unyielding Justice

24min

30th Nov 2015

As the battle with the Deep Sea King reaches its climax, more heroes fall to the aquatic despot’s brutal attacks. Which of them has what it takes to be a true hero?

Unparalleled Peril

10. Unparalleled Peril

24min

7th Dec 2015

Saitama tags along to an emergency meeting of Class S heroes and discovers that a seer has foretold a serious danger threatening the Earth. Though the crisis could occur anytime in the next six months, the heroes are surprised to hear the roar of explosions that very hour!

The Dominator of the Universe

11. The Dominator of the Universe

24min

14th Dec 2015

As a colossal spaceship floats in the skies above City A, a member of its monstrous crew battles on the ground against a group of S Class heroes. Despite their powers, they can’t seem to finish it off. Meanwhile, Saitama has boarded the enemy ship on his own.

The Strongest Hero

12. The Strongest Hero

24min

21st Dec 2015

The inconceivably powerful Lord Boros has traveled untold distances in search of someone who can cure his boredom: Saitama! With the fate of humanity in the balance, will the two champions at last find in each other the worthy opponent they’ve been searching for?

First air date

5th Oct 2015

Last air date

30th Nov 2025

Status

Returning Series

Type

Scripted

Original language

ja

Networks