archytele The Vault
Season guide

One-Punch Man: Season 1

12 episodes Premiered Oct 5, 2015 Updated Jul 21, 2026

One-Punch Man is a Japanese manga series created by One, originally released as a webcomic in early 2009. The series tells the story of Saitama, an independent superhero who has trained to the point that he can defeat any opponent with a single punch. Saitama became a hero for fun, but after three years of special training, he has become so strong that he is practically invincible. As a result, he has grown deeply bo

Season overview

One-Punch Man is a Japanese manga series created by One, originally released as a webcomic in early 2009. The series tells the story of Saitama, an independent superhero who has trained to the point that he can defeat any opponent with a single punch. Saitama became a hero for fun, but after three years of special training, he has become so strong that he is practically invincible. As a result, he has grown deeply bored from a lack of challenge, as even his mightiest opponents are taken out with a single punch. The series explores the story of Saitama, who is faced with new enemies every day, despite having lost his passion for being a hero. The anime adaptation of One-Punch Man premiered in 2015 and is classified as animation, comedy, action and adventure, and sci-fi and fantasy. The series has a TV-PG rating.

Advertisement

Episodes

S1·E1

The Strongest Man

Oct 5, 2015 · 24 min

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 defea

S1·E2

The Lone Cyborg

Oct 12, 2015 · 24 min

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

S1·E3

The Obsessive Scientist

Oct 19, 2015 · 24 min

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 l

S1·E4

The Modern Ninja

Oct 26, 2015 · 24 min

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 tar

S1·E5

The Ultimate Master

Nov 2, 2015 · 24 min

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

S1·E6

The Terrifying City

Nov 9, 2015 · 24 min

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

S1·E7

The Ultimate Disciple

Nov 16, 2015 · 24 min

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 p

S1·E8

The Deep Sea King

Nov 23, 2015 · 24 min

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

S1·E9

Unyielding Justice

Nov 30, 2015 · 24 min

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?

S1·E10

Unparalleled Peril

Dec 7, 2015 · 24 min

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

S1·E11

The Dominator of the Universe

Dec 14, 2015 · 24 min

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 s

S1·E12

The Strongest Hero

Dec 21, 2015 · 24 min

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 c