★ 7.0 TV Series
The Vampire Dies in No Time
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?… Read more
Storyline
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 together with these brothers who are beyond any hope. (Source: Crunchyroll) Notes: - Initially meant to air its episode 13 on October 1st, 2025, though instead aired an episode 12.5. After airing episode 12.5, the production stated the actual episode 13 was in production, however delayed indefinitely. - The 13th episode was later announced as a part of the Osomatsu-san 10th anniversary event in 2026, where it first received a limited theatrical pre-screening between June 6th to June 11th, with a later early streaming release taking place from June 12th. It was then finally broadcast on June 13th, 2026.
Trailer
Characters & Japanese Voice Cast
Ichimatsu Matsuno
Main
VA: Jun Fukuyama 
Karamatsu Matsuno
Main
VA: Yuuichi Nakamura 
Jyushimatsu Matsuno
Main
VA: Daisuke Ono 
Todomatsu Matsuno
Main
VA: Miyu Irino 
Choromatsu Matsuno
Main
VA: Hiroshi Kamiya 
Osomatsu Matsuno
Main
VA: Takahiro Sakurai 
Narrator
Supporting
VA: Hiroshi Kamiya 
Iyami
Supporting
VA: Kenichi Suzumura 
Totoko Yowai
Supporting
VA: Aya Endou 
Chibita
Supporting
VA: Sachi Kokuryuu 
Dayon
Supporting
VA: Nobuo Tobita 
Nyaa Hashimoto
Supporting
VA: Nanami Yamashita Seasons & Related Anime
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Frequently Asked Questions
How many episodes does Mr. Osomatsu 4th season have?
Mr. Osomatsu 4th season has 13 episodes.
Which studio made Mr. Osomatsu 4th season?
Mr. Osomatsu 4th season is produced by PIERROT FILMS.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 18 October 2026, 6:27 AM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].