One-Punch Man

10 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?

Written by Sophie and last updated on feb 12, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

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One-Punch Man - S1E8

#15 - The Deep Sea King (Season 1 - Episode 8)

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.

The episode was rated 7.94 from 1149 votes.

One-Punch Man - S1E4

#14 - The Modern Ninja (Season 1 - Episode 4)

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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 episode was rated 7.96 from 1243 votes.

One-Punch Man - S1E5

#13 - The Ultimate Master (Season 1 - Episode 5)

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 episode was rated 8.00 from 1186 votes.

One-Punch Man - S2E2

#12 - Human Monster (Season 2 - Episode 2)

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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.

The episode was rated 8.01 from 820 votes.

One-Punch Man - S1E7

#11 - The Ultimate Disciple (Season 1 - Episode 7)

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 episode was rated 8.02 from 1146 votes.

One-Punch Man - S2E11

#10 - Everyone's Dignity (Season 2 - Episode 11)

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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.

The episode was rated 8.03 from 742 votes.

One-Punch Man - S1E2

#9 - The Lone Cyborg (Season 1 - Episode 2)

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 episode was rated 8.04 from 1383 votes.

One-Punch Man - S1E3

#8 - The Obsessive Scientist (Season 1 - Episode 3)

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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 episode was rated 8.12 from 1280 votes.

One-Punch Man - S1E10

#7 - Unparalleled Peril (Season 1 - Episode 10)

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 episode was rated 8.13 from 1141 votes.

One-Punch Man - S2E7

#6 - The Class S Heroes (Season 2 - Episode 7)

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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.

The episode was rated 8.17 from 799 votes.

One-Punch Man - S2E3

#5 - The Hunt Begins (Season 2 - Episode 3)

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.

The episode was rated 8.18 from 827 votes.

One-Punch Man - S2E12

#4 - Cleaning Up the Disciple’s Mess (Season 2 - Episode 12)

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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!

The episode was rated 8.20 from 760 votes.

One-Punch Man - S1E9

#3 - Unyielding Justice (Season 1 - Episode 9)

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?

The episode was rated 8.25 from 1136 votes.

One-Punch Man - S1E11

#2 - The Dominator of the Universe (Season 1 - Episode 11)

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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 episode was rated 8.43 from 1154 votes.

One-Punch Man - S1E12

#1 - The Strongest Hero (Season 1 - Episode 12)

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?

The episode was rated 8.75 from 1262 votes.

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