Season 3
12 listed episodes · First aired October 12, 2025
Season overview
Alongside Genos, his faithful disciple, Saitama performs his official hero duties as a member of the Hero Association. One day, monsters claiming to be from the Monster Association suddenly appeared, taking a child of the Hero Association executive hostage. The S-class heroes gather and plan a raid on the Monster Association hideout to rescue the hostage. Meanwhile, Garou, a “human monster” who was taken by the Monster Association during a battle with the heroes, awakens in the Monster Association hideout.
Episodes
The heroes plan a rescue of a child kidnapped by monsters, while Garou awakens deep underground.
E2Monster TraitsOn his way to hunt heroes, Garou dines and dashes at a restaurant, but is chased by Saitama.
E3Organism LimitsGarou fights Insect God and King the Ripper, while Tareo gets kidnapped. Dr. Kuseno visits Saitama.
E4Counterattack SignalThe heroes prepare for battle without Silverfang and Genos. Garou attacks the Monster Association.
E5Monster KingGarou rescues Tareo but is struck by Overgrown Pochi, falling to Orochi and Gyoro-Gyoro.
E6Motley HeroesClass-S heroes plan the Monster Association assault, but Amai Mask arrives and clashes with them.
E7CounterstrikeHeroes arrive in Z City but face a monster ambush. A-class aids while Gyoro-Gyoro watches the fight.
E8Ninja TaleTempest Wind and Hellfire Flame, who were ninjas but are now monsters, battle with Flashy Flash.
E9Brave ChildChild Emperor finds Waganma and faces Phoenix Man, using his ultimate weapon to protect him.
E10Immortal BloodbathZombieman faces Vampire, a descendant of a supernatural bloodline, in a brutal, deadly showdown.
E11Top DragonsChild Emperor rescues Waganma. The heroes take on threat-level Dragon monsters in a deadly fight.
E12Ultimate LifeformThe heroes battle monsters while Terrible Tornado faces Gyoro-Gyoro. Orochi appears before Saitama.