Episodes

The Strongest Man opens the One-Punch Man anime by introducing Saitama, a bald hero who ends every fight in a single blow. Across a string of monster clashes and a flashback to his origins, the episode establishes both his overwhelming…

The second episode of One-Punch Man introduces Genos, the cyborg who will become Saitama's self-appointed pupil. A mosquito plague, a blood-swollen monster, and the shadowy House of Evolution all get swept aside as Saitama's absurd power…

The third installment of One-Punch Man wraps up the House of Evolution storyline. Saitama and Genos storm Dr. Genus' hidden laboratory, where the cornered scientist frees his caged trump card, Carnage Kabuto. The confrontation ends the…

Episode four drops One-Punch Man into a turf war over a greedy landlord. The masked agitator Hammerhead marches his shaved-headed gang toward Zeniru's tower, only to run into the assassin Speed-o'-Sound Sonic. Saitama, meanwhile, is mostly…

The fifth episode runs Saitama and Genos through the Hero Association's entrance exams. Saitama crushes every physical trial yet barely scrapes the written half, landing in C-Class while Genos sails into S-Class. A sparring match afterward…

The sixth episode of the One-Punch Man anime, in which Saitama scrambles to log a heroic deed before the association drops him for inactivity, tangles with Sonic again, and Z-City fills with rumors of a lurking monster named Kombu Infinity.

The seventh episode of the One-Punch Man anime, in which a redirected meteor threatens to wipe out Z-City, the S-Class heroes fail to stop it, and Saitama shatters the falling rock with one blow only to be blamed for the wreckage it leaves…

The eighth episode of the One-Punch Man anime, in which the Seafolk surge onto land to slaughter humanity, hero after hero falls to their monstrous leader, and the rain unlocks the Sea King's far deadlier true form.

The ninth episode of the One-Punch Man anime, in which Mumen Rider refuses to yield against the Deep Sea King, Saitama finishes the monster in one strike, then talks down his own victory to protect the reputations of the heroes who fell…

Unparalleled Peril gathers the S-Class heroes for an emergency summit just as a dire prophecy surfaces and alien invaders strike A-City. As Melzargard proves nearly unkillable on the ground, Saitama slips aboard the enemy vessel and cuts a…

The Dominator of the Universe watches the S-Class heroes finally crack Melzargard's regenerating body while Saitama tears through the alien ship toward its ruler. Reaching the throne room, he meets Boros, whose sealed power bursts free…

The Strongest Hero closes the first season with the decisive clash between Saitama and Boros, a duel that carries all the way to the Moon. As the invasion ends and the Hero Association rebuilds, Saitama is left craving the challenge his…

The first OVA of the One-Punch Man anime, set just before Genos moves in, in which Saitama grows convinced someone is stalking him while the cyborg secretly investigates the source of his impossible strength.

The fourth OVA of the One-Punch Man anime, in which Bang schemes to recruit Saitama and Genos into his dojo by luring them in with the promise of free meat and challenging Saitama to a string of casual games to prove his own strength.

An OVA of the One-Punch Man anime that flashes back to Saitama's earliest days as a hero, when he still had hair and wore a tracksuit, and reveals the origin of the yellow suit he never stops wearing.

The sixth One-Punch Man OVA plays out as a comic whodunit at a hot spring retreat, where Zombieman turns up stabbed and Child Emperor turns detective. The young hero picks apart alibis and evidence to name the culprit behind an apparently…

The third OVA of the One-Punch Man anime, in which a shaken Speed-o'-Sound Sonic retreats to the mountains to rebuild his nerve after losing to Saitama, training beside a bear-hunting Matagi and bonding with an orphaned boar along the way.

The second OVA of the One-Punch Man anime, in which a captured Genos tries to explain himself to the gangster Don Pacino but keeps wandering into a rambling tale about bath sounds, grocery sales, and a lost set of keys.

The fifth One-Punch Man OVA sends Fubuki onto a Z-City train just as a hidden bomb threatens everyone aboard, while Genos scrambles to slow the carriages from outside. It blends the Blizzard Group's bruised pride, a rookie hero's…

Return of the Hero launches the second season by pulling back the curtain on King, the celebrated hero who is secretly a fraud. As Saitama befriends him over video games, the Hero Association braces for a wave of monsters and the hunter…

The Human Monster shows Garou declaring war on heroes and criminals alike, while Saitama's apartment becomes the stage for a duel with Speed-o'-Sound Sonic and a recruitment pitch from Fubuki. By the end, Saitama and Genos finally earn…

The Hunt Begins follows Garou as he sets out to systematically beat down heroes, felling everyone from Tanktop Master to a string of A-Class fighters. His spree only ends when a disguised Saitama, shopping for a wig, drops him with a…

The Metal Bat traces Garou's childhood grudge against a world that always sides with the good guys, then throws Metal Bat into a punishing gauntlet of centipede monsters. As the hero fights for a VIP's safety, a recovered Garou closes in…

The seventeenth entry in the One-Punch Man anime, and season two's fifth, splits its attention between the sprawling monster raid battering the cities and the flashy Super Fight tournament, where Saitama competes under a disguise. Garou…

The eighteenth One-Punch Man episode, and season two's sixth, closes out the tournament's early rounds while a citywide monster surge swells around it. Saitama flattens his opponents almost absentmindedly, Fubuki and Tatsumaki clash with…

The nineteenth One-Punch Man episode, and season two's seventh, showcases the Hero Association's elite ranks tearing through the monster crisis while a swordsman is exposed as a traitor. It builds to the tournament final, where Suiryu…

The twentieth One-Punch Man episode, and season two's eighth, turns the tournament grounds into a slaughterhouse when Gouketsu crashes the closing ceremony and forces the fighters to become monsters or die. Suiryu's pride is ground down to…

The twenty-first One-Punch Man episode, and season two's ninth, ends the tournament crisis with two casual punches and turns inward to Saitama's boredom. King rekindles his spirit, Garou grows through defeat, and new ninja threats and…

The twenty-second One-Punch Man episode, and season two's tenth, sets the two associations on a collision course as the monsters declare open war. Saitama loses at video games and mops up stray monsters, Garou crosses paths with a lonely…

The twenty-third One-Punch Man episode, and season two's eleventh, is Garou's showcase as he dismantles Death Gatling's squad despite spreading poison. A flashback deepens Glasses, a rebuilt Genos joins the fray, and the arrival of Bang…

The twenty-fourth One-Punch Man episode closes season two as Bang overwhelms his old pupil, only for Phoenix Man to spirit Garou away and unleash Elder Centipede. The Dragon-level monster shrugs off Genos and the martial brothers alike,…

The tenth OVA of the One-Punch Man anime, in which Saitama drags Genos into a nationwide fighting-game tournament chasing a five-million-yen prize, only to be knocked out early while unexpected contenders battle for the top spot.

The ninth One-Punch Man OVA is a comedy about a knock to the head that wipes Genos's memory. Adopting personalities from the manga he finds lying around, the cyborg stumbles through the day until a jolt of electricity sets him right.

The eighth One-Punch Man OVA sends Atomic Samurai and Bang on a quiet lakeside fishing trip that turns into a monster fight, then a candid talk between two veterans about what the newer generation of heroes has lost.

The eleventh OVA of the One-Punch Man anime, in which Puri-Puri Prisoner accidentally triggers a jailbreak while stopping a monster and sets out to round up the escaped inmates before a beloved staffer takes the blame.

The seventh One-Punch Man OVA is a low-key comedy in which a trio of feeble villains mistake Saitama for a fellow crook. After he repeatedly rescues them from their own bumbling, the would-be evildoers rethink their path entirely.

The twelfth OVA of the One-Punch Man anime, in which a group of S-Class heroes snowed in at a mountain lodge treat a mysterious explosion as a locked-room mystery, only for Child Emperor to trace it back to Saitama's sneeze.

The twenty-fifth One-Punch Man episode opens season three and turns to planning as the Hero Association gathers its leadership and top ranks against the Monster Association. On the enemy side, Gyoro Gyoro and Orochi marshal their forces…

The twenty-sixth One-Punch Man episode, and season three's second, follows Garou as his path crosses the frightened boy Tareo again while the monster Royal Ripper closes in. The hunter's intimidating presence and his blunt lesson about…

The twenty-seventh One-Punch Man episode, and season three's third, pits Garou against the paired monsters Royal Ripper and Bug God while Tareo is dragged into captivity. A parade of past creatures underscores the episode's meditation on…

Counterattack Signal opens the Hero Association's push into the Monster Association's underground fortress. The fourth entry of season three, it stages the raid by mustering S-Class fighters and support heroes above ground while Garou and…

Monster King follows Garou deeper into the Monster Association's lair as three of its fighters try to bring him down. The fifth episode of season three also lets Gyoro Gyoro reveal how the organization's dormant sovereign, Orochi, was…

Motley Heroes, the sixth episode of season three, carries the Monster Association raid forward as its uneven band of fighters presses on. Adapted from the manga's mid-raid chapters, the entry became a lightning rod among viewers after its…

Counterstrike, the seventh episode of season three, widens the Monster Association raid into a sprawl of simultaneous duels. It brings the largest cast of the season's first half onto the screen as heroes and monsters collide throughout…

Scroll of the Shinobi, the eighth episode of season three, turns the Monster Association raid toward its ninja thread. Flashy Flash crosses paths with the assassins Gale Wind and Hellfire Flame as the wider battle grinds on around them.

Brave Child, the ninth episode of season three, centers on Child Emperor holding his ground inside the Monster Association's base. The young hero's stand against Phoenix Man anchors the episode as the raid presses deeper.

Immortal Bloodbath, the tenth episode of season three, scatters the Monster Association raid into a run of parallel duels. Zombieman, Pig God, Atomic Samurai, and Sweet Mask each carve through the enemy on separate fronts as the assault…

Top Dragons, the eleventh episode of season three, pushes the Monster Association raid toward its Dragon-level threats. Zombieman's grinding duel with Homeless Emperor and the first shadowed hint of a mysterious entity called God give the…

Ultimate Lifeform closes the first half of season three as the Monster Association raid reaches a fever pitch. The twelfth episode gathers nearly the entire cast of the assault, with Orochi looming over the battle and the enigmatic God…

Animated Media gathers the full run of One-Punch Man's television anime along with its original video animations. Drawn from the manga, the adaptation stretches across three seasons totaling thirty-six episodes plus a lineup of comedic OVA…