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The Worst Episodes of One-Punch Man

Every episode of One-Punch Man ranked from worst to best. Explore the Worst Episodes of One-Punch Man!

Binge this in 14h 24m•Peaking at 9.5/10

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

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Episode Rankings

  1. #1 Worst Episode
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    One-Punch Man Season 3 Episode 6 - Motley Heroes
    1.6/10(23762 votes)

    #1 - Motley Heroes

    S3:E6

    Class-S heroes plan the Monster Association assault, but Amai Mask arrives and clashes with them.

    Director:Taiki Nishimura
    Writer:Tomohiro Suzuki

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  2. One-Punch Man Season 3 Episode 10 - Immortal Bloodbath
    2.4/10(7041 votes)

    #2 - Immortal Bloodbath

    S3:E10

    Zombieman faces Vampire, a descendant of a supernatural bloodline, in a brutal, deadly showdown.

    Directors:Masahito Otani, Nana Fujiwara
    Writer:Tomohiro Suzuki

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  3. One-Punch Man Season 3 Episode 7 - Counterstrike
    2.5/10(12200 votes)

    #3 - Counterstrike

    S3:E7

    Heroes arrive in Z City but face a monster ambush. A-class aids while Gyoro-Gyoro watches the fight.

    Director:Shuuji Miyazaki
    Writer:Tomohiro Suzuki

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  4. One-Punch Man Season 3 Episode 4 - Counterattack Signal
    3.2/10(10451 votes)

    #4 - Counterattack Signal

    S3:E4

    The heroes prepare for battle without Silverfang and Genos. Garou attacks the Monster Association.

    Director:Shingo Natsume
    Writer:Tomohisa Suzuki

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  5. One-Punch Man Season 3 Episode 3 - Organism Limits
    3.5/10(10599 votes)

    #5 - Organism Limits

    S3:E3

    Garou fights Insect God and King the Ripper, while Tareo gets kidnapped. Dr. Kuseno visits Saitama.

    Directors:Shuuji Miyazaki, Masahito Otani
    Writer:Tomohiro Suzuki

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  6. One-Punch Man Season 3 Episode 2 - Monster Traits
    3.6/10(11008 votes)

    #6 - Monster Traits

    S3:E2

    On his way to hunt heroes, Garou dines and dashes at a restaurant, but is chased by Saitama.

    Director:Aki Tanaka
    Writer:Tomohiro Suzuki

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  7. One-Punch Man Season 3 Episode 5 - Monster King
    3.7/10(10901 votes)

    #7 - Monster King

    S3:E5

    Garou rescues Tareo but is struck by Overgrown Pochi, falling to Orochi and Gyoro-Gyoro.

    Director:Shingo Natsume
    Writer:Tomohisa Suzuki

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  8. One-Punch Man Season 3 Episode 1 - Strategy Meeting
    3.8/10(11978 votes)

    #8 - Strategy Meeting

    S3:E1

    The heroes plan a rescue of a child kidnapped by monsters, while Garou awakens deep underground.

    Director:Miyuki Ishida
    Writer:Tomohiro Suzuki

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  9. One-Punch Man Season 3 Episode 11 - Top Dragons
    4.1/10(4088 votes)

    #9 - Top Dragons

    S3:E11

    Child Emperor rescues Waganma. The heroes take on threat-level Dragon monsters in a deadly fight.

    Director:Unknown
    Writer:Unknown

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  10. One-Punch Man Season 3 Episode 12 - Ultimate Lifeform
    5.1/10(3436 votes)

    #10 - Ultimate Lifeform

    S3:E12

    The heroes battle monsters while Terrible Tornado faces Gyoro-Gyoro. Orochi appears before Saitama.

    Director:Unknown
    Writer:Unknown

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  11. One-Punch Man Season 3 Episode 9 - Brave Child
    5.2/10(6567 votes)

    #11 - Brave Child

    S3:E9

    Child Emperor finds Waganma and faces Phoenix Man, using his ultimate weapon to protect him.

    Director:Kozo Kaiho
    Writer:Tomohiro Suzuki

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  12. One-Punch Man Season 3 Episode 8 - Ninja Tale
    6.3/10(10943 votes)

    #12 - Ninja Tale

    S3:E8

    Tempest Wind and Hellfire Flame, who were ninjas but are now monsters, battle with Flashy Flash.

    Directors:Miyuki Ishida, Tetsuro Tanaka, Shinpei Nagai
    Writer:Tomohiro Suzuki

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  13. One-Punch Man Season 2 Episode 5 - Martial Arts Tournament
    7.3/10(4109 votes)

    #13 - Martial Arts Tournament

    S2:E5

    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.

    Directors:Kozo Kaiho, Tomohiro Kamitani
    Writer:Tomohiro Suzuki

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  14. One-Punch Man Season 2 Episode 6 - The Uprising of the Monsters
    7.5/10(3936 votes)

    #14 - The Uprising of the Monsters

    S2:E6

    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

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  15. One-Punch Man Season 2 Episode 4 - Metal Bat
    7.6/10(4150 votes)

    #15 - Metal Bat

    S2:E4

    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.

    Directors:Makoto Sokuza, Miyuki Ishida, Riki Fukushima
    Writer:Tatsuro Inamoto

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  16. One-Punch Man Season 2 Episode 10 - The Encircling Net of Justice
    7.7/10(3740 votes)

    #16 - The Encircling Net of Justice

    S2:E10

    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:Ryo Ando
    Writer:Tomohiro Suzuki

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  17. One-Punch Man Season 2 Episode 1 - Return of the Hero
    7.9/10(4596 votes)

    #17 - Return of the Hero

    S2:E1

    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

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  18. One-Punch Man Season 2 Episode 9 - The Ultimate Dilemma
    7.9/10(3898 votes)

    #18 - The Ultimate Dilemma

    S2:E9

    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

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  19. One-Punch Man Season 1 Episode 6 - The Terrifying City
    8.3/10(6655 votes)

    #19 - The Terrifying City

    S1:E6

    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

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  20. One-Punch Man Season 2 Episode 2 - Human Monster
    8.3/10(4319 votes)

    #20 - Human Monster

    S2:E2

    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

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  21. One-Punch Man Season 1 Episode 1 - The Strongest Man
    8.4/10(8065 votes)

    #21 - The Strongest Man

    S1:E1

    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

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  22. One-Punch Man Season 1 Episode 4 - The Modern Ninja
    8.5/10(6842 votes)

    #22 - The Modern Ninja

    S1:E4

    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

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  23. One-Punch Man Season 2 Episode 8 - The Strong Ones Fight Back
    8.5/10(4268 votes)

    #23 - The Strong Ones Fight Back

    S2:E8

    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

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  24. One-Punch Man Season 1 Episode 2 - The Lone Cyborg
    8.6/10(7293 votes)

    #24 - The Lone Cyborg

    S1:E2

    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

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  25. One-Punch Man Season 1 Episode 10 - Unparalleled Peril
    8.6/10(6573 votes)

    #25 - Unparalleled Peril

    S1:E10

    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

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Worst Episodes Summary

"Motley Heroes" is the worst rated episode of "One-Punch Man". It scored 1.6/10 based on 23762 votes. Directed by Taiki Nishimura and written by Tomohiro Suzuki, it aired on 11/16/2025. This episode scored 0.8 points lower than the second lowest rated, "Immortal Bloodbath".