Saitama accidentally hits Genos while opening a bag of chips, which causes Genos to forget who he is.

Puri-Puri Prisoner accidentally releases the inmates of Smelly Lid Prison while fighting against a monster. Realizing that the incident may cost a certain cute employee his job, Puri-Puri Prisoner heads out to find the escaped inmates.

Learn the history of One-Punch Man, and get ready for season 2 with a super serious recap.

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.

Atomic Samurai and Bang go out fishing to a lake, and Giant Salamander attacks.

Child Emperor, Zombieman, Superalloy Darkshine, and Metal Bat are dispatched to a forlorn, snowy mountain to hunt down a monster.

Saitama brings Genos to a tournament for the fighting video game "Wild Animals" where they hope to win the grand prize of five million yen.

A story about Genos when he meets Don Pacino, a C class wanted criminal and his gang in a warehouse along with man who is being held captive by the gang.

Before Saitama became a hero, his local tailor tells him that he must close up shop due to pressure from a local gang and Saitama decides to help him out.

Genos trying to find out the secret to Saitama's power by stalking him.

Sonic faces his fear and meets a new friend.

Silverfang stalks and pursues Saitama and Genos to come to his dojo where he tries to compete with Saitama in old martial arts ways.

Child Emperor investigates the murder of Zombieman.

Story goes around frustrated Fubuki because of her elder sister Tatsumaki. Showing domination of elder sister over little one.