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Osomatsu-san 4th Season · おそ松さん 第4期
The sextuplets run amok for a fourth time! Now adults in their 20s, they are still unemployed, undertrained, and single…but there’s something lovable about Japan’s most famous sextuplets. As a new chaotic adventure begins, what’s next? New friends? New trouble? And perhaps a new side to the sextuplets? Let’s all laugh…
13 episodes · Sub & Dub
Jyushimatsu Matsuno
main
CV: Daisuke Ono
Ichimatsu Matsuno
main
CV: Jun Fukuyama
Todomatsu Matsuno
main
CV: Miyu Irino
Choromatsu Matsuno
main
CV: Hiroshi Kamiya
Karamatsu Matsuno
main
CV: Yuuichi Nakamura
Osomatsu Matsuno
main
CV: Takahiro Sakurai
Narrator
supporting
CV: Hiroshi Kamiya
Chibita
supporting
CV: Sachi Kokuryuu
Iyami
supporting
CV: Kenichi Suzumura
Dayon
supporting
CV: Nobuo Tobita
Mr. Osomatsu 4th season is a comedy, sci-fi, slice of life anime series produced by PIERROT FILMS, first released in Summer 2025. It has 13 episodes of around 24 minutes each and is finished. Fans rate it 5.8 out of 10. You can watch Mr. Osomatsu 4th season online free on AnimeAndChat in HD with English subtitles or dub, and chat live with other fans while you watch.
Mr. Osomatsu 4th season has 13 episodes, each about 24 minutes long.
Yes. Mr. Osomatsu 4th season finished airing in 2026.
Mr. Osomatsu 4th season premiered in Summer 2025.
Mr. Osomatsu 4th season was animated by PIERROT FILMS and directed by Yoshinori Odaka.
Yes — related entries include Mr. Osomatsu 3rd season. You can find them under Seasons & Related above.
You can stream Mr. Osomatsu 4th season free on AnimeAndChat in HD, with English sub and dub, no sign-up required.
