Overview
One-Punch Man OVA matters as a compact character-focused extension of the anime, giving the series’ eccentric heroes room to operate outside its biggest battles. Across six short episodes, each running about 13 minutes, it favors sharp comic setups, odd investigations, rivalries, and flashes of superhero action over a single sustained storyline. The result is a brisk showcase for the franchise’s distinctive balance of overwhelming power, workplace absurdity, martial-arts flavor, and deadpan parody. These are original stories written by ONE, which gives the specials a clear connection to the character-driven humor that defines One-Punch Man.
This OVA is especially appealing to viewers who enjoy the anime’s supporting cast as much as its central joke. Genos, Saitama, ninjas, assassins, and other primarily adult characters each contribute to the offbeat ensemble energy, while the short format keeps the comedy moving and makes the episodes easy to sample between longer series. It is best approached as a companion work rather than a replacement for the main anime: its value lies in extra interactions, smaller-scale conflicts, and a relaxed chance to spend more time in the same surreal superhero world. The finished six-episode package is approachable for established fans and for curious viewers who want a brief introduction to the series’ comic rhythm, with an English dub available.
Synopsis
One-Punch Man OVA is a six-episode collection of short original stories released with the anime’s home-video volumes. Each roughly 13-minute episode follows Saitama and the people around him through compact incidents that complement the main series’ superhero setting, using his overwhelming strength and famously casual attitude as the basis for both action and comedy. Rather than presenting one continuous adventure, the collection moves between separate situations involving hero work, martial arts, unusual criminals, ninjas, and everyday problems that become far stranger than expected.
The opening story centers on Genos, Saitama’s devoted disciple, who follows his teacher with growing suspicion as he tries to discover the secret behind Saitama’s incredible power. His investigation is complicated by the appearance of someone who has a personal grievance against Saitama, creating the collection’s clearest thread of pursuit and confrontation. The remaining episodes broaden the focus through stories associated with a poorly spoken disciple, a troublesome ninja, Bang, a pair of siblings, and an apparently impossible murder case. Across these episodes, Saitama’s indifference contrasts with Genos’s intensity and the seriousness of the people they encounter, turning familiar superhero and martial-arts conflicts into concise, absurd character pieces without revealing their outcomes.
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Characters and Voice Actors25 characters
Saitama
Main character- Japanese: Makoto Furukawa
Genos
Main character- Japanese: Kaito Ishikawa
- English: Zach Aguilar
Onsoku no Sonic
Main character- Japanese: Yuuki Kaji
- English: Erik Scott Kimerer
Bang
Main character- English: John Demita
- Japanese: Kazuhiro Yamaji
Fubuki
Main character- Japanese: Saori Hayami
- English: Laura Post
Isamu
Main character- Japanese: Minami Takayama
- English: Sara Cravens
Butagami
Supporting character- Japanese: Daisuke Namikawa
Kuseno Hakase
Supporting character- Japanese: Kenichi Ogata
Tatsumaki
Supporting character- Japanese: Aoi Yuuki
- English: Marieve Herington
Banken Man
Supporting character- Japanese: Yuuji Ueda
Puri-Puri Prisoner
Supporting character- Japanese: Masaya Onosaka
- English: Ray Chase
King
Supporting character- Japanese: Hiroki Yasumoto
Bad
Supporting character- Japanese: Wataru Hatano
Zombieman
Supporting character- Japanese: Takahiro Sakurai
- English: Vernon Dew
Matsuge
Supporting character- Japanese: Yoshiaki Hasegawa
Charanko
Supporting character- English: Todd Haberkorn
- Japanese: Toshiki Masuda
Senkou no Flash
Supporting character- Japanese: Kousuke Toriumi
Kamikaze
Supporting character- Japanese: Kenjirou Tsuda
Chougoukin Kurobikari
Supporting character- Japanese: Satoshi Hino
Lily
Supporting character- English: Erika Harlacher
- Japanese: Ari Ozawa
Ino
Supporting character- Japanese: Kanami Satou
Men’s Esthetician Man
Supporting character- Japanese: Hiromichi Tezuka
Frank
Supporting character- Japanese: Shinpachi Tsuji
Don Pacino
Supporting character- Japanese: Youji Ueda
Swim
Supporting character- Japanese: Uki Satake
Production and Staff10 credits
Production Background
One-Punch Man OVA is a six-episode original video animation release connected to the anime adaptation of the manga. Rather than retelling a manga storyline, the specials feature original stories written by ONE, the series’ mangaka. This gives the collection a distinct production role within the adaptation: it expands the anime setting through material created specifically for these short-form installments while retaining the established characters and premise.
The episodes were distributed as home-video specials included with DVD and Blu-ray volumes of the anime. The recorded release period runs from December 24, 2015, through May 27, 2016, and each episode has a listed runtime of 13 minutes. The collection opens with “Shinobiyori-sugiru Kage,” which follows Genos as he investigates Saitama’s strength after the latter’s fight with Mosquito Girl, while also introducing someone with a personal grudge against Saitama. The remaining installments are titled “Hanashibeta-sugiru Deishi,” “Kojire-sugiru Ninja,” “Gouin-sugiru Bang,” “Iroiro Ari-sugiru Kyoudai,” and “Fukanou-sugiru Satsujin Jiken.” Its OVA format and home-video placement distinguish this six-part release from the main television broadcast, while its credited original stories make it more than a simple recap or condensed adaptation.
Franchise Context
One-Punch Man OVA is a six-episode anime companion to the One-Punch Man television series, rather than a new adaptation, remake, or separate alternate version. The specials were released with the anime’s DVD and Blu-ray volumes and expand the same setting with short original stories written by the series’ manga creator, ONE. Each episode runs for approximately 13 minutes, making this entry a collection of supplementary installments rather than a full television season.
The OVA belongs alongside the early anime material and is best understood as an extension of its character-focused side content. Its episodes include stories centered on Genos, Saitama, and other recurring figures, with the first placed after Saitama’s encounter with Mosquito Girl. The six specials were issued across releases from late 2015 through 2016 and were completed in 2016. This entry therefore represents additional anime-original material connected to the television adaptation, while the main One-Punch Man story continues through the separate series and manga entries in the broader franchise.
Where This Fits in One-Punch Man
A spoiler-light guide to where this exact work fits within the broader One-Punch Man franchise.
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Step 1
Begin with the first One-Punch Man television season to establish Saitama, Genos, and the series setting.
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Step 2
Watch these six OVA episodes after the Mosquito Girl encounter, which is where the first special is placed.
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Step 3
Treat the OVA as optional side material bundled with the anime's home-video releases, rather than as a replacement for the main series.
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Step 4
Afterward, return to the franchise's main anime or manga entries for the continuing story.
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