Ahead of a July 2025 broadcast, the official accounts for Mr. Osomatsu today unveiled a brand-new teaser trailer and visual for the anime's upcoming fourth season. The latter depicts the sextuplets out and about, but their trademark laziness is on full display in the former. Mr. Osomatsu Season 4 Teaser Trailer Mr. Osomatsu Season 4 Teaser Visual RELATED: Mr. Osomatsu Season 4 Anime Begins Broadcasting in July 2025 Yoshinori Odaka takes over as director for Mr. Osomatsu Season 4 at studio PIERROT FILMS, with Shu Matsubara and Eiji Abiko alongside as series composer and character designer, respectively. Additional staff members include: Chief Animation Directors: Eiji Abiko, Kasumi Wada, Haru Watanabe Assistant Director: Nene Futamura Art Director: Seiki Tamura Color Designer: Yukiko Kakita Director of Photography: Toru Fukushi Editor: Kumiko Sakamoto Music Composer: Yukari Hashimoto Sound Director: Hiromi Kikuta RELATED: Mr. Osomatsu TV Anime Gets 4th Season Crunchyroll streams the first three seasons of Mr. Osomatsu and describes the story: Mr. Osomatsu is based off of the gag manga series Osomatsu-kun by Fujio Akatsuka, and ran from 1962 to 1969. The series features a set of sextuplets, the Matsuno brothers, with Osomatsu being the oldest brother and leader of the group. Source: Comic Natalie
