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The Best Episodes of One-Punch Man

Every episode of One-Punch Man ranked from best to worst. Let's dive into the Best Episodes of One-Punch Man!

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?

Genres:Action & AdventureAnimationComedy

Top Episode Highlight

The best episode of "One-Punch Man" is "The Strongest Hero", rated 9.5/10 from 6696 user votes. It was directed by Shingo Natsume and written by Tomohiro Suzuki. "The Strongest Hero" aired on 12/21/2015 and is rated 0.3 point(s) higher than the second highest rated, "Unyielding Justice".

  • The Strongest Hero
    9.5/10 6,696 votes

    #1 - The Strongest Hero

    Season 1 Episode 12 - Aired 2015-12-21

    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?

    Director: Shingo Natsume

    Writer: Tomohiro Suzuki

  • Unyielding Justice
    9.2/10 4,796 votes

    #2 - Unyielding Justice

    Season 1 Episode 9 - Aired 2015-11-30

    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?

    Director: Shunichi Yoshizawa

    Writer: Tomohiro Suzuki

  • The Dominator of the Universe
    9.0/10 4,442 votes

    #3 - The Dominator of the Universe

    Season 1 Episode 11 - Aired 2015-12-14

    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.

    Director: Yousuke Hatta

    Writer: Tomohiro Suzuki

  • Everyone's Dignity
    8.9/10 2,408 votes

    #4 - Everyone's Dignity

    Season 2 Episode 11 - Aired 2019-06-26

    Garo is at last surrounded by multiple heroes and forced to fight, even though he’s covered in wounds and nearly at his limit. The hero hunter still has his incredible ability to read opponents’ fighting styles, but there are surprises in store for all.

    Director: Chikara Sakurai, Katsushi Sakurabi

    Writer: Tatsuro Inamoto

  • The Obsessive Scientist
    8.8/10 4,413 votes

    #5 - The Obsessive Scientist

    Season 1 Episode 3 - Aired 2015-10-19

    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.

    Director: Yousuke Hatta

    Writer: Tomohiro Suzuki

  • The Ultimate Master
    8.8/10 4,319 votes

    #6 - The Ultimate Master

    Season 1 Episode 5 - Aired 2015-11-02

    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.

    Director: Shunichi Yoshizawa

    Writer: Tomohiro Suzuki

  • The Deep Sea King
    8.8/10 4,125 votes

    #7 - The Deep Sea King

    Season 1 Episode 8 - Aired 2015-11-23

    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.

    Director: Nobuhiro Muto

    Writer: Tomohiro Suzuki

  • The Hunt Begins
    8.8/10 2,568 votes

    #8 - The Hunt Begins

    Season 2 Episode 3 - Aired 2019-04-24

    Garou, out hunting heroes, can barely contain his excitement when he gets the chance to battle the S Class hero Tank-top Master. Meanwhile, Silverfang shutters his dojo to begin his own hunt of his former disciple.

    Director: Ryoh Ando

    Writer: Tatsuro Inamoto

  • The Ultimate Disciple
    8.7/10 4,097 votes

    #9 - The Ultimate Disciple

    Season 1 Episode 7 - Aired 2015-11-16

    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.

    Director: Yousuke Hatta

    Writer: Tomohiro Suzuki

  • The Class S Heroes
    8.7/10 2,413 votes

    #10 - The Class S Heroes

    Season 2 Episode 7 - Aired 2019-05-22

    As the Super Fight tournament heads for its grand finale, the Class S heroes battle to hold back the tide of monster incursions. Meanwhile, Atomic Samurai is setting in motion a plan of his own.

    Director: Shigeki Awai

    Writer: Tatsuro Inamoto

  • The Lone Cyborg
    8.6/10 4,451 votes

    #11 - The Lone Cyborg

    Season 1 Episode 2 - Aired 2015-10-12

    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.

    Director: Shinichiro Ushijima

    Writer: Tomohiro Suzuki

  • Unparalleled Peril
    8.6/10 3,938 votes

    #12 - Unparalleled Peril

    Season 1 Episode 10 - Aired 2015-12-07

    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!

    Director: Shinichiro Ushijima

    Writer: Tomohiro Suzuki

  • Cleaning Up the Disciple’s Mess
    8.6/10 2,276 votes

    #13 - Cleaning Up the Disciple’s Mess

    Season 2 Episode 12 - Aired 2019-07-03

    Silverfang and Bomb catch up with Garou while the hero hunter is battling Genos, starting a whirlwind battle that draws in more and more combatants as it marches towards its hair-raising climax!

    Director: Chikara Sakurai, Makoto Sokuza, Youhei Suzuki

    Writer: Tomohiro Suzuki

  • The Modern Ninja
    8.5/10 4,181 votes

    #14 - The Modern Ninja

    Season 1 Episode 4 - Aired 2015-10-26

    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.

    Director: Nobuhiro Muto

    Writer: Tomohiro Suzuki

  • The Resistance of the Strong
    8.5/10 2,304 votes

    #15 - The Resistance of the Strong

    Season 2 Episode 8 - Aired 2019-05-29

    Goketsu, the first Super Fight Tournament champion, arrives in the stadium. Having now become a monster, he’s aiming to force the Super Fight competitors to turn into monsters themselves. When several do, it’s up to Suiryu to take them on alone.

    Director: Yoshio Suzuki

    Writer: Tatsuro Inamoto

  • Human Monster
    8.4/10 2,341 votes

    #16 - Human Monster

    Season 2 Episode 2 - Aired 2019-04-17

    Garou issues a declaration of war on the Hero Association through terrifying means, Hellish Blizzard gives Saitama an ultimatum, and Genos decides to eliminate his master’s stalker, Speed-o’-Sound Sonic.

    Director: Hiroyuki Okuno

    Writer: Tomohiro Suzuki

  • The Strongest Man
    8.3/10 4,935 votes

    #17 - The Strongest Man

    Season 1 Episode 1 - Aired 2015-10-05

    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.

    Director: Shingo Natsume

    Writer: Tomohiro Suzuki

  • The Terrifying City
    8.3/10 4,047 votes

    #18 - The Terrifying City

    Season 1 Episode 6 - Aired 2015-11-09

    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.

    Director: Shinichiro Ushijima

    Writer: Tomohiro Suzuki

  • Return of the Hero
    7.9/10 2,560 votes

    #19 - Return of the Hero

    Season 2 Episode 1 - Aired 2019-04-10

    Saitama is out shopping with Genos in tow when the pair come across G4, a demonic robot on a mission to eliminate King. Elsewhere, Sitch attempts to recruit various cutthroats, villains and assassins of the underworld to help the Hero Association.

    Director: Shuuji Miyazaki

    Writer: Tomohiro Suzuki

  • The Troubles of the Strongest
    7.9/10 1,983 votes

    #20 - The Troubles of the Strongest

    Season 2 Episode 9 - Aired 2019-06-12

    Just as Suiryu finds himself in the depths of despair, Saitama suddenly appears to help him out. But despite all Saitama’s strength, there’s still something bugging the hero that he just can’t seem to shake.

    Director: Shuuji Miyazaki

    Writer: Tomohiro Suzuki

  • Justice Under Siege
    7.7/10 1,887 votes

    #21 - Justice Under Siege

    Season 2 Episode 10 - Aired 2019-06-19

    The Monster Association issues a challenge to the Hero Association, telling them they have only three days to rescue the hostage Waganma. Elsewhere, Garou tries to recover from his constant fighting, but things don’t quite go as planned.

    Director: Ryoh Ando

    Writer: Tomohiro Suzuki

  • The Metal Bat
    7.6/10 2,246 votes

    #22 - The Metal Bat

    Season 2 Episode 4 - Aired 2019-05-01

    Assigned to guard a VIP and his son, Metal Bat couldn’t be less thrilled. But when the group is suddenly attacked all hell breaks loose. Meanwhile, Saitama has disguised himself as Charanko in order to enter the “Super Fight” martial arts tournament.

    Director: Makoto Sokuza, Miyuki Ishida, Riki Fukushima

    Writer: Tatsuro Inamoto

  • The Uprising of the Monsters
    7.5/10 2,067 votes

    #23 - The Uprising of the Monsters

    Season 2 Episode 6 - Aired 2019-05-15

    The Super Fight tournament kicks off while Genos takes on multiple monsters who have appeared in City C. Elsewhere, countless monsters are wreaking havoc in multiple areas, but the Hero Association is being overwhelmed by the sheer number of threats.

    Director: Hideki Okamoto

    Writer: Tomohiro Suzuki

  • The Martial Arts Tournament
    7.3/10 2,174 votes

    #24 - The Martial Arts Tournament

    Season 2 Episode 5 - Aired 2019-05-08

    Monsters from the Monster Association launch simultaneous attacks on all the human cities, attempting to overwhelm the forces of the Hero Association. Meanwhile, the “Super Fight” martial arts tournament kicks off.

    Director: Kozo Kaiho, Tomohiro Kamitani

    Writer: Tomohiro Suzuki