Season Cast 21

  1. Makoto Furukawa
  2. Kaito Ishikawa
  3. Kazuhiro Yamaji
  4. Yuichi Nakamura
  5. Kenjirou Tsuda
  6. Aoi Yuki
  7. Minami Takayama
  8. Hiroki Yasumoto
  9. Takahiro Sakurai
  10. Youji Ueda
  11. Daisuke Namikawa
  12. Satoshi Hino
  13. Yuji Ueda
  14. Kohsuke Toriumi
  15. Katsuyuki Konishi
  16. Hatano Wataru
  17. Masaya Onosaka
  18. Mamoru Miyano
  19. Saori Hayami
  20. Yuuki Kaji
  21. Tesshou Genda

Show More

Season Crew 12

Crew

  1. Tomohiro Suzuki

    Script (12 Episodes)

Directing

  1. Shingo Natsume

    Director (12 Episodes)

Editing

  1. Kashiko Kimura

    Editor (12 Episodes)

Sound

  1. Shouji Hata

    Sound Director (12 Episodes)

  2. Makoto Miyazaki

    Music (12 Episodes)

Show

Episodes 12

October 4, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

October 11, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

October 18, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

October 25, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

November 1, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

November 8, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

November 15, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

November 22, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

November 29, 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?

Read More

You need to be logged in to continue. Click here to login or here to sign up.

December 6, 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!

Read More

You need to be logged in to continue. Click here to login or here to sign up.

December 13, 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.

Read More

You need to be logged in to continue. Click here to login or here to sign up.

December 20, 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?

Read More

You need to be logged in to continue. Click here to login or here to sign up.

Back to top

By signing up for an account on TMDb, you can post directly to Twitter and Facebook.

You need to be logged in to continue. Click here to login or here to sign up.

Global

s focus the search bar
p open profile menu
esc close an open window
? open keyboard shortcut window

On media pages

b go back (or to parent when applicable)
e go to edit page

On TV season pages

(right arrow) go to next season
(left arrow) go to previous season

On TV episode pages

(right arrow) go to next episode
(left arrow) go to previous episode

On all image pages

a open add image window

On all edit pages

t open translation selector
ctrl+ s submit form

On discussion pages

n create new discussion
w toggle watching status
p toggle public/private
c toggle close/open
a open activity
r reply to discussion
l go to last reply
ctrl+ enter submit your message
(right arrow) next page
(left arrow) previous page