One Punch Man

One Punch Man is a Japanese anime adaptation of a manga/web comic series of the same name. The series' first season was produced by Madhouse and directed by Shingo Netsuke. The series was written by Tomohiro Suzuki and features character designs by Chikashi Kubota, who also serves as chief animation director. The first season of 12 episodes aired in Japan between October 5, 2015 and December 21, 2015 on TV Tokyo, airing at later dates on TVO, TVQ, KBS, BS Japan, and AT-X. The season was also streamed on Niconico and simulcast on Hulu, Daisuki, and Neon Alley.

The series was licensed by Viz Media in North America, who produced an English-language dub. The English dub of the first season premiered on Adult Swim's Toonami programming block from July 16, 2016 to October 8, 2016, with reruns continuing through January 28, 2017. Reruns of the first season then returned to Toonami from August 11, 2018 to November 3, 2018. The English dub of the second season premiered on Toonami from October 12, 2019 to January 11, 2020. The series is rated TV-14-LV on Adult Swim.

Plot
The story takes place in the fictional Japanese metropolis of City Z. The world is full of strange monsters that mysteriously appear and cause disasters. Saitama, the protagonist of the series, is the strongest hero, who easily defeats the monsters or other villains with a single punch. However, due to his immeasurable strength, Saitama has become bored with his power and is constantly trying to find stronger opponents who can present a challenge to him. As Saitama is active as a hero, he meets various other heroes and villains. He gets a disciple, the cyborg Genos, and consequently joins the Heroes Association in order to gain official recognition. Despite defeating many strong monsters that even the Heroes Association’s top members are unable to defeat, Saitama struggles to gain respect. Most people look down on him due to his plain physical appearance, and some accuse him of being a counterfeit hero. Only a small number of individuals in the series recognize his talent and humility towards others.

Characters
Saitama — The protagonist of the story, Saitama, is a powerful hero with superhuman strength, speed, and endurance, along with near complete invulnerability. Though his powers are limited to improvements on typical human traits (e.g., he cannot fly or project energy), his physical capabilities are so preposterously advanced that no enemy has ever inflicted serious damage to him. By contrast, his strength is so immense that most of his targets fall to a single punch, killing them, hence the title of the series.

Genos — Genos is a cyborg who decided to become Saitama's disciple after bearing witness to Saitama's easy victory over Mosquito Girl. While Saitama was adamantly against his decision, he accepted after Genos suggested paying part of his rent. Genos tells Saitama about the Hero Association when he hears Saitama's complaints about not being recognized despite his actions, and they both decide to take the official hero exam and become registered super heroes. Genos is often overzealous and defensive when Saitama is not recognized by the other heroes for his feats, despite Saitama himself not really caring. Genos is a very serious character, and is constantly annoying Saitama to teach him how to become stronger.

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Gallery
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Broadcast History

 * Japan (TV Tokyo) — October 5, 2015 - December 21, 2015
 * United States (Adult Swim) — July 16, 2016 - January 28, 2017 ; August 11, 2018 - November 3, 2018; October 12, 2019 - January 11, 2020

Toonami Broadcast History
At Anime Expo 2016, Adult Swim's Toonami programming block announced that the series would begin airing on the block on July 16, 2016 at 12:00 AM. After the first season had premiered, the series moved to the 3:00 AM time slot on October 15, 2016 and reruns began airing from the first episode. After the January 28, 2017 broadcast, with the first season having aired to completion a second time, One Punch Man was replaced in the lineup by Ghost in the Shell: Stand Alone Complex the following week.

Reruns of season 1 returned to Toonami on August 11, 2018 at 2:30 AM. On September 29, 2018, the series moved to the 2:00 AM time slot. The series returned to the 2:30 AM time slot for one night on October 27, 2018, and after airing at 1:30 AM the following week (November 3rd) due to daylight savings, the series was pulled from the lineup and replaced by The Promised Neverland.

The second season of One Punch Man premiered on Toonami on October 12, 2019 at 11:30 PM. On January 4, 2020, the series moved from the 11:30 PM time slot to the 12:00 AM time slot. Following the January 11, 2020 broadcast, One Punch Man was replaced in the lineup by Sword Art Online: Alicization.


 * Toonami (United States) — July 16, 2016 - January 28, 2017 ; August 11, 2018 - November 3, 2018; October 12, 2019 - January 11, 2020

Toonami Marathons
The following is a list of Toonami marathons in which at least one episode of One Punch Man appeared:
 * One Punch Man Marathon (September 3, 2016)
 * One Punch Man Marathon (December 21, 2019)