Original
07/09/2025 - 09/24/2025 Finished
Mr. Osomatsu 4th Season (Osomatsu-san 4th Season)
Also known as: おそ松さん 第4期
Fourth season of Osomatsu-san.
1
Total episodes
1
Canon episodes
0
Filler episodes
0%
% Filler
Canon episodes · 1 Filler episodes · 0
Watch on: Crunchyroll
Related works
Related works and sequels
Open a related work to see its own episode count, release dates, and description. The list does not combine separate series into a season count for this title.
Original
Sequel
Sequel
Sequel
SequelWhat to watch, what to skip
Watch order: filler vs canon
Osomatsu-san 4th Season has no filler episodes: all 1 episodes are canon. You can watch it from first to last without checking any list of skippable episodes.
Episode by episode
Complete guide by season
1 Episodes
| # | Episodes | Aired | Type |
|---|---|---|---|
| 1 | It's Starting Again— | — | Canon |
Verified legal platforms
Where to watch Mr. Osomatsu 4th Season
All the platforms where you can watch Mr. Osomatsu 4th Season legally, with direct links to each service.
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Common questions
Frequently asked questions
How many seasons does Osomatsu-san 4th Season have?
Osomatsu-san 4th Season is season 5 of 5 in the franchise: Osomatsu-kun (1988), Osomatsu-san, Osomatsu-san 2nd Season, Osomatsu-san 3rd Season, and Osomatsu-san 4th Season. All of them have finished airing.
How many episodes does Osomatsu-san 4th Season have?
This page covers 1 episodes. Adding up every season, the franchise has 162 episodes in total.
What is the best order to watch Osomatsu-san 4th Season?
It is recommended to watch Osomatsu-san 4th Season in chronological broadcast order. This means starting from season 1 and continuing sequentially to the last season. Check our watch order guide which includes information about filler vs canon episodes for an optimal experience.
Where can I watch Osomatsu-san 4th Season online?
Osomatsu-san 4th Season is available on the following streaming platforms: Crunchyroll. Check the platforms section at the top of this page to access where you can watch the anime. Please note that availability may vary depending on your geographic region.
Watch on: Crunchyroll
Is Osomatsu-san 4th Season a complete anime?
Yes, Osomatsu-san 4th Season is a completed anime. All seasons have already aired and you can enjoy the series in its entirety without waiting for new episodes.
Where can I see Osomatsu-san 4th Season's score and reviews on MyAnimeList?
You can check the score, reviews, characters and statistics for Osomatsu-san 4th Season directly on MyAnimeList, the world's largest anime database. There you'll find the community rating, global ranking and opinions from other fans.