Mr. Osomatsu (Japanese:おそ松さん,Hepburn:Osomatsu-san) is a Japanesecomedyanime television series produced byStudio Pierrot, based onFujio Akatsuka's 1962manga series,Osomatsu-kun. Celebrating Akatsuka's eightieth birthday, the series follows the sextuplet Matsuno brothers from the original series as adults, and features more adult-oriented humor compared to the original series.
The first season aired in Japan between October 2015 and March 2016, with a special episode airing in December 2016. A second season aired between October 2017 and March 2018, followed by a third season from October 2020 to March 2021. The first two seasons have been licensed in theAmericas byViz Media. Production for a fourth season was announced on June 6, 2024, which aired from July to October 2025.
Amanga adaptation by Masako Shitaro was serialized inShueisha'sYou magazine from January 2016 to October 2018. It was then transferred to Shueisha'sCookie magazine, where it continued serialization from November 2018 to November 2020.
Three theatrical anime films based on the series premiered in March 2019, July 2022, and July 2023.
A spin-off anime series titledMatsu Inu premiered from October to December 2023.
The originalOsomatsu-kun series followed the Matsuno brothers; Osomatsu, Karamatsu, Choromatsu, Ichimatsu, Jyushimatsu, and Todomatsu, who are all identical sextuplets who cause mischief.Mr. Osomatsu depicts the brothers as being ten years older than their original counterparts (with the action taking place in a contemporary setting). All of the brothers have now grown up into lazyNEETs, with each brother having developed their own distinguishing personality. The series follows the brothers in their everyday (and occasionally made up) lives.
The eldest of the sextuplets and self-proclaimed leader of the group. An avid gambler, he spends his time playingpachinko and betting on horses. He often dresses in red.
The second born of the sextuplets. Believes himself to be cooler and more popular than he really is and calls his fan girls "Karamatsu Girls." He occasionally adds English words into his sentences. His distinguishing feature is his thick eyebrows and he often dresses in blue, though he occasionally sports a leather jacket and sunglasses.
The third born and most responsible of the sextuplets. Often acts asstraight man to his siblings, but also acts as anotaku. His distinguishing features are his angular mouth, smaller pupils, and his lack of a cowlick. He often dresses in green.
The fourth born of the sextuplets and the sharp-tongued loner of the group. His distinguishing features are his tired eyes, scruffy hair, hunched back, and he often dresses in purple.
The fifth born of the sextuplets. He is very energetic but also quite the airhead, often having no reaction to the wild goings-on. He has a wide open mouth, and a single cowlick compared to the other siblings' two. He often dresses in yellow.
The most outgoing of the sextuplets. Often uses his cuteness as the youngest brother to manipulate others. He has a smaller mouth, and bigger pupils. He often dresses in pink.
The heroine of the series, who desperately strives to become a fish-themed idol in order to gain fame and fortune. She has a vicious side when annoyed or side-lined.
Iyami remains virtually unchanged from his original appearance inOsomatsu-kun, but he is returned to a supporting role following his role as main protagonist in the 1980s anime series.
The sextuplets' high school classmate with a pair of round glasses who admires the sextuplets for who they were in their high school years. Only appears in the theatrical film.
TwoAI Robots that are sent to help the sextuplets in their everyday lives at the beginning of the third season.
Girlymatsus (じょし松,Joshimatsu)
Voiced by: Takahiro Sakurai, Yuichi Nakamura, Hiroshi Kamiya, Jun Fukuyama, Daisuke Ono, and Miyu Irino (Japanese); Billy Kametz, Ray Chase, Sean Chiplock, Kyle McCarley, Michael Sinterniklaas, and Max Mittelman (English)
Six female friends who act as female counterparts to the brothers, though they have different personalities.
Mr. Osomatsu, produced byPierrot and animated by their studio Pierrot division, aired between October 6, 2015, and March 29, 2016. Outside of Japan, the series aired in simulcast onCrunchyroll; marking the first media in theOsomatsu franchise to receive an official English release.[7][8] The series' first episode, which featured multiple parodies, was removed from streaming sites on November 12, 2015, and is replaced by anoriginal video animation in its home video release.[9][10] Additionally, the third episode, which features a crude parody ofAnpanman, was edited for itsBS Japan broadcast and is altered in its home video release.[9][11]
In September 2016, Kanchi Suzuki revealed on his Twitter account that he is interested in making a second season.[12] A special episode, produced in collaboration with theJapan Racing Association, aired on December 12, 2016.[13] A second season was announced in April 2017,[14] having previously been teased in a listing for the Blu-ray release of "Mr. Osomatsu JRA Special 2016" (おそ松さん おうまでこばなし,Osomatsu-san Ouma de Kobanashi),[15] and aired between October 3, 2017, and March 27, 2018.[16][17]
An anime theatrical film for the franchise was announced in August 2018, with the main staff and cast from the television series returning to reprise their roles. TitledOsomatsu-san the Movie (えいがのおそ松さん,Eiga no Osomatsu-san), the film was released on March 15, 2019.[18][19]
A new 7-episode short series was announced in February 2019, with the main staff and cast from the television series returning to reprise their roles. The shorts ran from March 1 to March 15, 2019.[20]
A third season was announced in July 2020, which aired from October 13, 2020, to March 30, 2021.[21][22]
Two new animated theatrical films were announced in June 2021.[23] The first film, titledMr. Osomatsu: Hipipo-Zoku to Kagayaku Kajitsu, premiered on July 8, 2022. Yoshinori Odaka is directing the film, with the main staff and cast reprising their roles.[24] The second film, titledMr. Osomatsu: The Soul's Takoyaki Party and the Legendary Sleepover Party, premiered on July 21, 2023.[23][25]
A spin-off anime series based on a line of dog character products, calledMatsu Inu, based on the series was announced in August 2023. The series is animated by Point Pictures and directed by Tetsuya Endo, with Endo handling series scripts along with Hitomi Ogawa, Yūki Nagashima designing the characters based on FuRyu's original character designs, and Yukari Hashimoto returning to compose the music alongside Ruka Kawada, Tetsuya Shitara, and Yayoi Sekimukai.[26] It aired withinTV Tokyo'sEeny Meeny Miney Moe program from October 7 to December 23, 2023.[27]
A fourth season was announced in June 2024. The second studio of Pierrot, responsible for said show rebranded to the Pierrot Films name, which was announced on July 5, 2024, a month later and would be handling animation production of that season.[28] The season is directed by Yoshinori Odaka and aired from July 8 to October 1, 2025, on TV Tokyo and its affiliates.[29][30]
In Australia and New Zealand,Madman Entertainment released the first season on DVD on December 7, 2016,[31] and made the series available on AnimeLab.[32]
At their panel inOtakon 2017,Viz Media announced that they have licensed the first two seasons in North, Central and South America and simulcast the second season.[33][34] Viz released the first season in North America on Blu-Ray on March 9, 2021.[35] It does not include episode 1. The dub was initially written (including episode 1) and directed byPatrick Seitz, who both left the project for other commitments, leavingChristopher Bevins to re-write and re-record the series minus the first episode.[36] Viz Media released the second season on Blu-ray on September 14, 2021.
A manga adaptation ofMr. Osomatsu, illustrated by Masako Shitara, began serialization inShueisha'sYou magazine on January 15, 2016.[37] It transferred to Shueisha'sCookie magazine in November 2018 afterYou ended its publication in October of the same year.[38] The manga ended inCookie on November 26, 2020.[39] A novelization of the anime, written by Yū Mitsuru and illustrated by Naoyuki Asano, was published on July 29, 2016.[40] A serialization focusing on the series' collaboration with theUltraman franchise,Ultramatsu, is an ongoing manga published on LINE that takes place after the Season 1 finale.[41]
A live action adaptation movie, titledOsomatsu San Movie, was announced in August 2021.[44] The film was the first official live-action iteration of the franchise. It is directed by Tsutomu Hanabusa and stars the nine memberboy bandSnow Man as the Matsuno sextuplets with members Ryōta Miyadate, Shōta Watanabe, and Ryōhei Abe as original characters Period, End, and Close respectively. The group also provided the film's theme song "Brother Beat."[45] The film premiered on March 25, 2022.
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