Episode 1
Mr. Osomatsu 4th season - Episode 1
9 Jul 2025
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Mr. Osomatsu 4th season
Episode 2
Mr. Osomatsu 4th season - Episode 2
16 Jul 2025
Episode 3
Mr. Osomatsu 4th season - Episode 3
23 Jul 2025
Episode 4
Mr. Osomatsu 4th season - Episode 4
30 Jul 2025
Episode 5
Mr. Osomatsu 4th season - Episode 5
6 Aug 2025
Episode 6
Mr. Osomatsu 4th season - Episode 6
13 Aug 2025
Episode 7
Mr. Osomatsu 4th season - Episode 7
20 Aug 2025
Episode 8
Mr. Osomatsu 4th season - Episode 8
27 Aug 2025
Episode 9
Mr. Osomatsu 4th season - Episode 9
3 Sep 2025
Episode 10
Mr. Osomatsu 4th season - Episode 10
10 Sep 2025
Episode 11
Mr. Osomatsu 4th season - Episode 11
17 Sep 2025
Episode 12
Mr. Osomatsu 4th season - Episode 12
24 Sep 2025
Episode 13
Mr. Osomatsu 4th season - Episode 13
13 Jun 2026
Seasons
Osomatsu-kun (1988)
Release rhythm
Osomatsu-kun (1988)
5 seasons
· Latest release 9 Jul 2025
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- [1] AniList anilist.co Verified
- [2] Official Site osomatsusan.com Verified
- [3] Twitter twitter.com Verified
- [4] TikTok tiktok.com Verified
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Frequently asked questions
When is Mr. Osomatsu 4th season available?
Mr. Osomatsu 4th season has been available since July 9, 2025.
Where can I watch Mr. Osomatsu 4th season?
You can watch Mr. Osomatsu 4th season on: Crunchyroll.
How many episodes does Mr. Osomatsu 4th season have?
Mr. Osomatsu 4th season has 13 episodes across Summer 2025 season.
Which studio produced Mr. Osomatsu 4th season?
Mr. Osomatsu 4th season was produced by studio PIERROT FILMS.
Is Mr. Osomatsu 4th season available on Crunchyroll?
Yes, Mr. Osomatsu 4th season is available on Crunchyroll.
Is Mr. Osomatsu 4th season still ongoing?
Mr. Osomatsu 4th season is ongoing — 5 parts have been released so far.
What is Mr. Osomatsu 4th season about?
Mr. Osomatsu 4th season est un anime de tranche de vie.
Is Mr. Osomatsu 4th season available in my country?
Mr. Osomatsu 4th season is available in: France, Spain, United Kingdom, United States, Brazil and 6 countries total.
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Mr. Osomatsu 4th season - Episode 1
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Mr. Osomatsu 4th season - Episode 11
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Mr. Osomatsu 4th season - Episode 12
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Mr. Osomatsu 4th season - Episode 13
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