Osomatsu-kun poster

Osomatsu-kun

TV Show 1966 7.0 /10 Ended
Created by Fujio Akatsuka

Osomatsu-kun turns Fujio Akatsuka's gag manga into a rapid-fire animated comedy about ten-year-old identical sextuplets whose identical looks spark nonstop confusion. Osomatsu is the unofficial ringleader, but each brother has a distinct trait that feeds jokes, pranks, and misunderstandings... Read more

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Streaming availability last verified: January 17, 2026

About Osomatsu-kun

Osomatsu-kun turns Fujio Akatsuka's gag manga into a rapid-fire animated comedy about ten-year-old identical sextuplets whose identical looks spark nonstop confusion. Osomatsu is the unofficial ringleader, but each brother has a distinct trait that feeds jokes, pranks, and misunderstandings across short episodes. Rather than build long plots, the series strings together standalone skits that trade on visual punchlines, wordplay, and exaggerated reactions. Alongside the family, recurring figures like Chibita, a scrappy rival, and Iyami, a scheming conman who keeps changing professions, supply extra setups and payoffs. The mood stays anarchic and playful, written to land laughs quickly for both younger viewers and adults who enjoy absurd humor.

First broadcast in 1966, this was the first animated adaptation of Akatsuka's 1960s manga. The TV show introduced voice actors who became identified with these roles, including Midori Katō as Osomatsu, Keiko Yamamoto as Choromatsu, Kazue Tagami as Chibita, Setsuo Wakui as Dekapan, and Takako Sasuga as Hatabou, helping fix their personalities in animation.

There are no widely recorded major industry awards tied to the original 1966 run. At the time the series functioned mainly as popular television entertainment rather than an awards-season contender, so formal recognition was limited.

Over time the characters and their visual gags found a place in Japanese pop culture, with recurring designs and comedic beats that other shows would echo. The Matsuno brothers, Iyami, and Chibita became easy shorthand for sibling rivalry and streetwise trickery in later media, and elements of the series have been referenced or revived in subsequent adaptations and merchandise.

Critical and fan responses tend to highlight its flood of one-off jokes and slapstick energy. The available vote average sits around 7.0 out of 10, suggesting steady affection among viewers. The series emphasizes mischief, group dynamics, and satirical takes on everyday life, favoring quick laughs over character development or long-form storytelling.

Details

Release Date
February 05, 1966
User Ratings
2 votes
Type
TV Series
Seasons
1
Episodes
60
Status
Ended
Genres
Animation, Comedy
Country
Japan
Studio
Studio Zero +1 more
External Links
View on IMDB

Cast

K

Kazue Tagami

Chibita

Midori Katō

Midori Katō

Osomatsu

Keiko Yamamoto

Keiko Yamamoto

Choromatsu

S

Setsuo Wakui

Dekapan

Takako Sasuga

Takako Sasuga

Hatabou

Haruko Kitahama

Haruko Kitahama

Ichimatsu

Mie Azuma

Mie Azuma

Juushimatsu

Fuyumi Shiraishi

Fuyumi Shiraishi

Karamatsu

M

Mitsuko Asou

Okaasan

Joji Yanami

Joji Yanami

Otousan

Created by: Fujio Akatsuka

Seasons (1 season, 60 episodes)

Season 1

Season 1

60 episodes - 1966

Frequently Asked Questions

Osomatsu-kun is available to stream on Crunchyroll.

Yes, Osomatsu-kun is available to stream on Crunchyroll.

Osomatsu-kun has 1 season with a total of 60 episodes.

With a rating of 7.0/10 from 2 viewers, Osomatsu-kun is well-regarded and recommended by viewers.

Osomatsu-kun turns Fujio Akatsuka's gag manga into a rapid-fire animated comedy about ten-year-old identical sextuplets whose identical looks spark nonstop confusion. Osomatsu is the unofficial ringleader, but each brother has a distinct trait that feeds jokes, pranks, and misunderstandings acros...

Osomatsu-kun stars Kazue Tagami, Midori Katō, Keiko Yamamoto, Setsuo Wakui, and Takako Sasuga.

Osomatsu-kun was created by Fujio Akatsuka.

Osomatsu-kun was released on February 05, 1966.

Osomatsu-kun is a Animation and Comedy series.

Yes, Osomatsu-kun is the first animated adaptation of Fujio Akatsuka's 1960s gag manga series. It's focused on the antics of the identical 10-year-old Matsuno sextuplets.

Midori Katō voices Osomatsu, the titular brother and leader of the Matsuno sextuplets. The series centers on the sextuplets' comedic misadventures.

Kazue Tagami voices Chibita, the rival who often appears in the sextuplets' stories. The show showcases tales focused on Chibita alongside the Matsunos.

Keiko Yamamoto voices Choromatsu, one of the identical 10-year-old Matsuno sextuplets. Choromatsu is part of the core group at the center of the show's comedy.