Genos/Other Media

What Can't Be Bought
He appears at the end, buying Saitama drinks that he wanted.

Lost Cat
Genos is tasked by a member of the Hero Association to destroy a cat-like monster, a Grizzly Nyah.

Lobster
After being called over to Bang's dojo, Saitama learns that Bang got a whole bunch of lobsters from his brother and needs someone to help him eat them. Genos complains about them being called out for something insignificant, and tells Bang to call someone else if he needs help eating leftovers, at which point Saitama tells him to stop, saying that they're only helping a lonely old man with his food problem. After Charanko arrives with the vegetables, they start preparing the hotpot while talking about a recent dojo hunter that has been attacking other dojo's. Saitama notices that there isn't any cabbage, interrupting the conversation about the dojo hunter, which annoys Charanko. After seeing Saitama look bummed about the fact that there isn't any cabbage, Genos angrily asks Charanko why he planned to make hotpot without cabbage. Saitama tries to say that it's fine, but Genos keeps arguing with Charanko because he does not feel like he even feels sorry for not having bought cabbage. After Charanko challenges Genos to a match, Bang tries to calm down the situation by saying that he will go buy the cabbage, and asks Charanko to get along with the other two.

Numbers
He joins Saitama in a video game contest against the Blizzard Group. He loses after he destroys his controller. He, Bang and Saitama save fellow heroes from Jumping Spider.

Squadron
Genos arrives at Saitama's Apartment with groceries to deliver a mission to Saitama. Genos responds to King's question on team heroes as a method for weaklings. When Saitama suggested they should form a team, Genos immediately praises the idea.

Disaster Level
He appears at the end, after defeating a demon level monster.

The Sisters Who Have Too Many Things Happening
He is on a train and receives a call that a bomb was put on the train. He, Fubuki and Swim team up to evac the train and stop the bomb.

Sonic, Becoming Saitama
Saitama and Genos split to find and destroy a monster. Genos takes down the monster and looks for Saitama. He finds Speed-o'-Sound Sonic who was disguised as Saitama. Genos is astounded when Sonic tells Genos that he battled a monster and was hit in the head making his memory foggy. As such he forgot Genos' name. He asks where the monster disappeared to and heads towards the mountains to search and destroy the monster.