One-Punch Man: Season 3

Saitama meets a group of villains in a public restroom who mistake him for their ally, they introduce themselves to Saitama, but when he reveals he's a hero, attempt to defeat him. Their attacks misfire and they end up getting saved by Saitama, and start contemplating about how weak their abilities are compared to the likes of Tatsumaki and Volten, who use their respective abilities to earn a living. They have a change of heart, but the group is then attacked by Dirt Earthworm and saved by Saita

A week after the events of season 1 finale, Atomic Samurai and Bang go out fishing on a lake. Giant Salamander attacks the lake and Chain'n'toad and Mumen Rider try to stop it but fail, and Chain'n'toad is eaten. They are then saved by Atomic Samurai who kills the monster. Kamikaze and Bang talk about how most young heroes these days don't live to the essence of a "hero", and Bang states the Hero Association and their ranking system is partly to blame.

While opening a bag of chips, Saitama accidentally smacks Genos on the face, which causes the latter to lose his memory. Genos becomes cocky, childish & arrogant; and even flirts with Fubuki when she comes over. Fubuki sees this as an opportunity to make Genos Join her group. She lures him into a warehouse & says he's already a member of the group, but Genos flies away in disbelief. Lord of Mountains attacks the city and everyone turns to Genos to save the day, who lures the monster into the sam

At a video game tournament where there is a prize, Suiryu, King, Saitama And Garou Join the tournament, with them picking between playing with a controller or VR (Virtual Reality) system that follows their movements. Everyone picks VR except for King. Suiryu And Garou fights and Garou lags because his movements were too fast to comprehend. King ends up as the winner of the video game tournament.

Puri-Puri Prisoner defeats a monster and damages his prison's security system in the process, allowing a handful of inmates to escape the facility. Realizing that the incident may cost a warden he find to be cute his job, Puri-Puri Prisoner heads out to find and retrieve the escaped inmates. While trying to recapture the escaped inmates, he is confronted and attacked by Urn Eel, a Seafolk who ate some of the prisoners who happened to be hiding in the same abandoned building as him.

Child Emperor, Zombieman, Superalloy Darkshine, and Metal Bat are dispatched to a snowy mountain range to hunt a monster. After failing to locate the monster in during a snowstorm, they check into a local lodge for the night. There they encounter Saitama and Genos, who also got stuck on the mountain and had to check in, and Flashy Flash, who is trying to relax on a vacation. Overnight, Zombieman is attacked and his room is destroyed. Because he is unconscious, the others can only assume its the

Heroes arrive in Z City but face a monster ambush. A-class aids while Gyoro-Gyoro watches the fight.

Tempest Wind and Hellfire Flame, who were ninjas but are now monsters, battle with Flashy Flash.

Child Emperor finds Waganma and faces Phoenix Man, using his ultimate weapon to protect him.

Zombieman faces Vampire, a descendant of a supernatural bloodline, in a brutal, deadly showdown.

Child Emperor rescues Waganma. The heroes take on threat-level Dragon monsters in a deadly fight.

The heroes battle monsters while Terrible Tornado faces Gyoro-Gyoro. Orochi appears before Saitama.