Set in City Z, the story focuses on Saitama, a superhero who has grown bored as he has become so powerful that all of his battles end in a single punch. The series was directed by Shingo Natsume at and was written by Tomohiro Suzuki. The series also features character design by Chikashi Kubota, who also served as chief animation director, and music by Makoto Miyazaki. The series aired in Japan between October 5, 2015 and December 21, 2015 and was simulcast by and. An was released with the tenth manga volume on December 4, 2015. The series is licensed in North America by , who also streamed the series on its service, in the United Kingdom by , and by in Australia and New Zealand, who simulcasted the series on AnimeLab. On television, the series began airing on 's block on July 16, 2016. The first season of the anime received high critical acclaim, praised for its animation quality, visuals, humor, and the overall story itself. Note: English air dates are listed as the day before they were actually aired excluding and timezones , as is the convention of the Adult Swim online syndication schedule. Season 1 2015 No. But as he is about to kill a young girl, arrives and saves her. Saitama has been living a boring life, as he has extraordinary strength in which he can defeat enemies in one punch. He recalls three years ago, when he was leaving a job interview, he had saved a boy with a cleft-chin from. Back at the present time, he faces , one of whom is a huge giant, and defeats them easily. One night, he has a dream about a who invade and pose a challenge, but when he wakes, he finds that the subterraneans are extremely weak. A cyborg named tries to stop her but is having a difficult time. After dealing with a single pesky mosquito, Saitama sees Genos and Mosquito Girl fighting, and defeats Mosquito Girl. Despite Genos's extremely boring explanation of his past, Saitama agrees to make Genos his apprentice. Some monsters from a group called the try to capture Saitama, but fail. Saitama questions about what's going on. Genus eventually discovers the secret to immortality and makes himself young again, clones himself multiple times, and then works on animals and humanoids to create the monsters that make up the House of Evolution. Saitama cuts off the narration, at which Armored Gorilla summarizes that Genus just wants to capture Saitama for his experiments. Genus's eight-floor tower, prompting Dr. Genus to unleash his ultimate creation, , who at first is afraid of Saitama's aura of overwhelming power. Kabuto asks Saitama his secret to his strength, at which Saitama happily tells him, Genos, and Dr. Kabuto attacks Saitama, but when Saitama realizes that today was supposed to be the big supermarket sale, he quickly punches Kabuto into pieces, and leaves with Genos to rush to the sale. Genus abandons his research. They try to destroy the building of , a local business magnate, using modified suits that give the Paradisers super-strength. Saitama is offended that the Paradisers are giving bald people a bad reputation. Bicycle hero tries to stop the Paradisers, but is defeated. The Paradisers reach Zeniru's home, but Zeniru has hired a ninja named , who wipes out the Paradisers in seconds and puts a knife into the back of Hammerhead's skull. Hammerhead escapes and runs into Saitama, who provokes Hammerhead to attack with his suit at full power. But Saitama destroys the suit, leaving Hammerhead naked. Sonic fights Saitama, thinking the latter is a Paradiser, but when he accidentally plants his crotch on Saitama's fist, he quivers in agony and retreats. That night, Saitama sulks over his lack of recognition as a hero, when Genos suggests they join the Hero Association. While Genos gets a perfect score and is placed in the highest S-Class tier, Saitama is placed
