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 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 dojos. 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.

Taste
Genos arrives at Saitama's Apartment to return Saitama's hero suit from the cleaners. Genos accompanies Saitama to the Hero Costume Contest and hands Saitama his registration ticket. Genos witnesses Saitama hand over his hero costume to a boy who had his clothes stolen and Saitama tells the boy to go home. Genos questions how Saitama will partake in the event without a hero costume. Saitama assures Genos as he will wear the T-shirt he won from Mouse Sushi. Genos remains silent about Saitama's clothes. Genos watches Saitama's debut on the stage and is shocked when Saitama declares he will show his special power. A monster alert rings and the monster Game-Berus appears. Saitama destroys the monster. After the contest, Genos discusses with Saitama how even though he lost the contest, the audience was on his side. Genos believes that the whole event was a lesson to teach Genos to focus on skill not appearance. He notes down this lesson.

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.

Road To Hero
After Saitama finishes his story about how he got his suit and its importance to him, Genos deduces it as Saitama telling him that in order to become a true hero, you have to have something very important to you. Genos also tells Saitama that he thinks it's about time Saitama got a new suit, and offers to gift him one, provoking Saitama to ask if Genos was even listening to what he was saying.

The Ninja Who Is Too Complicated
Genos is seen towards the end of the episode, having hotpot with Saitama.

Bang, Who Is Too Overbearing
Saitama and Genos are seen near the corpse of a monster they just killed. Saitama tells Genos about how cabbages can taste great when paired with barbecue sauce, which Genos interprets as being told that even the most powerful weapon would be meaningless if its wielder is weak. They are then invited by Bang, who was secretly watching, to his dojo. They initially refuse but are lured in by Bang offering them free meat. Upon reaching Bang's dojo, they are challenged to various games by Bang. Genos sits by watching Saitama play. The episode ends with Genos asking for the promised meat and rejecting Bang's offer to join his dojo.

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 evacuate the train and stop the bomb.

Sonic, Becoming Saitama
Saitama and Genos split up 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's name. He asks where the monster disappeared to, then heads towards the mountains to search and destroy the monster.