While out shopping, Saitama and Genos come across G4, a demonic robot on a mission to eliminate King; Sitch recruits cutthroats, villains and assassins to help the Hero Association.
Garou threatens the Hero Association; Hellish Blizzard pressures Saitama.
Hero-hunter Garou battles the highly ranked Tank-top Master; Silverfang shuts down his dojo.
Metal Bat begrudgingly guards his own son and a VIP and his skills are needed when a battle breaks out; Saitama poses as Charanko for a martial arts tournament.
The Monster Association stages coordinated attacks on cities across the world.
As the Super Fight tournament gets underway, with Suiryu and Lightning Max facing off in the first bout; Genos must leave to tackle a monster invasion in City C.
The Class S heroes keep the invading monsters at bay while the tournament approaches its climax.
Goketsu transforms into a monster and attempts to take control of the tournament.
Saitama tries to help pull Suiryu out of his despair, but his power may not be enough.
The Hero Association receives a warning that they must rescue Waganma from the Monster Association within three days.
A badly wounded Garou faces multiple heroes.
Silverfang and Bomb drop in on Genos' fight with Garou.