6,659 votes
One-Punch Man

One-Punch Man

Niconico 2015

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?

Warning: the following content contains spoilers!

The 10 Best Episodes of One-Punch Man

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 8.79 from 1264 votes.

One-Punch Man - S1E11

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

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 8.46 from 1137 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 8.28 from 1123 votes.

One-Punch Man - S2E3

#4 - 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 8.24 from 680 votes.

One-Punch Man - S2E12

#5 - Cleaning Up the Disciple's Mess (Season 2 - Episode 12)

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 8.22 from 605 votes.

One-Punch Man - S2E7

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

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 8.21 from 648 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 8.18 from 1127 votes.

One-Punch Man - S1E3

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

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 8.16 from 1286 votes.

One-Punch Man - S2E11

#9 - The Varieties of Pride (Season 2 - Episode 11)

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 8.09 from 603 votes.

One-Punch Man - S1E2

#10 - 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 8.08 from 1382 votes.

One-Punch Man - S1E7
#11 - The Supreme Pupil
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 from 1138 votes.
One-Punch Man - S2E2
#12 - Human Monster
Season 2 - Episode 2

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 from 671 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 from 1182 votes.
One-Punch Man - S1E4
#14 - The Modern Ninja
Season 1 - Episode 4

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 from 1242 votes.
One-Punch Man - S2E8
#15 - The Resistance of the Strong
Season 2 - Episode 8

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.

The episode was rated from 638 votes.
One-Punch Man - S1E8
#16 - 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 from 1130 votes.
One-Punch Man - S1E6
#17 - The Terrifying City
Season 1 - Episode 6

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 episode was rated from 1124 votes.
One-Punch Man - S1E1
#18 - The Strongest Man
Season 1 - Episode 1

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 episode was rated from 1686 votes.
One-Punch Man - S2E1
#19 - Return of the Hero
Season 2 - Episode 1

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...

The episode was rated from 780 votes.
One-Punch Man - S2E6
#20 - The Uprising of the Monsters
Season 2 - Episode 6

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.

The episode was rated from 624 votes.

Last updated: oct 02, 2022



After 2 episodes this show is off to a great start. A good mix of action and humour.


One of my favorite anime to date. A lot of humor mixed up with action in a good way. The quality of animation and music are exemplary. A must watch!


5 episodes in, having started late and blasted through all 5 in a single night, and so far this series is excellent. Utterly crazy, awesome action and very funny - it doesn't take itself seriously for a second and seems to be having a lot of fun doing it. I've found myself either cheering or laughing every episode so far.


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