ONE
In the deadly battle with the Monster Association, the heroes are all getting seriously injured. And to make matters worse, Garo appears as a monster! However, Bang is there to face him down. Who'll have the upper hand in this master-pupil showdown?!T
S-class hero Blast suddenly appears before Saitama and Flash in search of a mysterious box! But what is it about the box that has the Hero Association's top hero chasing after it? Meanwhile, several heroes are locked in a fierce battle with Monster Association executives when Genos's power core becomes unstable!...Rated:T
The Monster Association has kidnapped Tareo, the boy who admires Garo, and now Garo finds himself plunging headfirst and alone into the heart of the Monster Association's hideout. Meanwhile, the Hero Association pushes forward with its operation to rescue Waganma, while Genos and the others are living it up enjoying hot pot at Saitama's place! ..Rated:T
Psychos intends to fuse with Orochi, the Monster King, which would give them immense power against Tornado. Superalloy confronts Garo and experiences fear of his opponent's strength... Meanwhile, Saitama gets caught up in a cave-in in the Monster Association's underground labyrinth!...Rated:T
At the martial arts tournament, Suiryu of the Dark Body Art shows promise with his outstanding strength. But outside the stadium, a large number of monsters are pushing the heroes, even Genos, to their limits! Inside, unaware, Saitama approaches his match against Bakuzan!
Rated: T
Time bomb Garo, a monster admirer, finally explodes, attacking the Hero Association! Meanwhile, Miss Blizzard visits Saitama at his apartment. Because of his lower rank, she plans to make him one of her subordinates, but...
Rated: T
Surrounded by heroes, Garo finds himself in a tight spot. But despite the great numbers, he defeats the heroes one by one with his unmatched strength before Genos comes rushing in! Meanwhile, Saitama is reaching the height of irritation in his own battle...with King?!
Rated: T
While Saitama's distracted at a martial arts tournament, Centichoro, a threat-level Dragon monster, attacks! Metal Bat engages it in battle but struggles against its gargantuan size. The monster knocks him into the distance and right into the path of hero-hunter Garo!Â
Rated: T
Class-A heroes struggle in their fight against the giant monster Multieyed Octopus. Wait, is that Class-S hero Flashy Flash joining the fight?! Unfazed, the Monster Association continues ramping up its attacks, but its goal remains a mystery. Meanwhile, the martial arts tournament reaches the semifinals!
Rated: T
The monster Goketsu appears at the martial arts tournament, and in an attempt to turn its participants into monsters, he gives them monster cells. Tournament champ Suiryu fights the newly monsterized fighters one after another, until a certain hero rushes to his side to help!
Rated: T
