Seasons & episodes
S1 · E10Unparalleled Peril 2015-12-07 · 24 min
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!
S1 · E11The Dominator of the Universe 2015-12-14 · 24 min
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.
S1 · E12The Strongest Hero 2015-12-21 · 24 min
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?
S2 · E1Return of the Hero 2019-04-10 · 24 min
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.
S2 · E2Human Monster 2019-04-17 · 24 min
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.
S2 · E3The Hunt Begins 2019-04-24 · 24 min
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.
S2 · E4Metal Bat 2019-05-01 · 24 min
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.
S2 · E5Martial Arts Tournament 2019-05-08 · 24 min
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.
S2 · E6The Uprising of the Monsters 2019-05-15 · 24 min
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.
S2 · E7Class S Heroes 2019-05-22 · 24 min
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.
S2 · E8The Strong Ones Fight Back 2019-05-29 · 24 min
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.
S2 · E9The Ultimate Dilemma 2019-06-12 · 24 min
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.
S2 · E10The Encircling Net of Justice 2019-06-19 · 24 min
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.
S2 · E11Everyone's Dignity 2019-06-26 · 24 min
Garou 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.
S2 · E12Cleaning Up the Disciple's Mess 2019-07-03 · 24 min
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!
S3 · E1Strategy Meeting 2025-10-12 · 24 min
The heroes plan a rescue of a child kidnapped by monsters, while Garou awakens deep underground.
S3 · E2Monster Traits 2025-10-19 · 24 min
On his way to hunt heroes, Garou dines and dashes at a restaurant, but is chased by Saitama.
S3 · E3Organism Limits 2025-10-26 · 24 min
Garou fights Insect God and King the Ripper, while Tareo gets kidnapped. Dr. Kuseno visits Saitama.
S3 · E4Counterattack Signal 2025-11-02 · 24 min
The heroes prepare for battle without Silverfang and Genos. Garou attacks the Monster Association.
S3 · E5Monster King 2025-11-09 · 24 min
Garou rescues Tareo but is struck by Overgrown Pochi, falling to Orochi and Gyoro-Gyoro.
S3 · E6Motley Heroes 2025-11-16 · 24 min
Class-S heroes plan the Monster Association assault, but Amai Mask arrives and clashes with them.
S3 · E7Counterstrike 2025-11-23 · 24 min
Heroes arrive in Z City but face a monster ambush. A-class aids while Gyoro-Gyoro watches the fight.
S3 · E8Ninja Tale 2025-11-30 · 24 min
Tempest Wind and Hellfire Flame, who were ninjas but are now monsters, battle with Flashy Flash.
S3 · E9Brave Child 2025-12-07 · 24 min
Child Emperor finds Waganma and faces Phoenix Man, using his ultimate weapon to protect him.