🧭 Watch order guide
Mr. Osomatsu (Osomatsu-san) watch order
How to watch
Mr. Osomatsu (Osomatsu-san) follows the sextuplets of the 1962 manga Osomatsu-kun as adults, so you can start with it. Watch Season 1 (October 2015–March 2016), Season 2 (October 2017–March 2018), the film (March 2019), Season 3 (October 2020–March 2021) and Season 4 (July–October 2025; its delayed final episode came out in June 2026). The two later films, The Hipipo Tribe and the Glistening Fruit (July 2022) and The Soul's Takoyaki Party and the Legendary Sleepover Party (July 2023), are optional, as are the 1966 and 1988 Osomatsu-kun series; the many shorts are extras.
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Mr. Osomatsu (Osomatsu-san) watch order at a glance
- 1.Osomatsu-san Dai 3-ki TV Series · 2020
- 2.Osomatsu-san 4 TV Series · 2025
- 3.Osomatsu-kun TV Series · optional · 1966
- 4.Osomatsu-san x Mameshiba Special · 2018
- 5.Mameshiba Special · optional · 2008
- 6.Osomatsu-san TV Series · optional · 2015
Binge plan
How long each way through the franchise takes, what you can skip, and where the story goes next.
Main story only
14h 48m
3 parts, in order
8 days at 2 hours a day
Everything
2d 11h
6 entries incl. OVAs and specials
30 days at 2 hours a day
3
core entries
0
movies to include
0
recaps / alt versions to skip
14h 48m
total core runtime
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Where the hours go
Core story and movies in watch order · 14h 48m in total · longest: Osomatsu-san Dai 3-ki
Show as table
| Item | Runtime |
|---|---|
| Osomatsu-san Dai 3-ki | 9h 35m |
| Osomatsu-san 4 | 5h 12m |
| Osomatsu-san x Mameshiba | 1m |
Compare the seasons
The main story part by part: community score (Kitsu), length, filler share, and studio. Highest rated: Osomatsu-san Dai 3-ki.
| Part | Year | Episodes | Score | Filler | Studio |
|---|---|---|---|---|---|
| Osomatsu-san Dai 3-kiTop score | 2020 | 25 | 7.43 | – | – |
| Osomatsu-san 4 | 2025 | 13 | – | – | – |
| Osomatsu-san x Mameshiba | 2018 | 2 | – | – | – |
Filler shows only for parts with a filler list. Scores move as people rate, so this table refreshes daily.
Where to stream Mr. Osomatsu (Osomatsu-san)
How many of the 3 seasons and movies each service lists. Catalogues differ by country; each part's own links are in the order below.
- Crunchyroll 2 of 3
Recommended order
- 1
- 2
- 3
Side storyoptionalOsomatsu-kunTV Series · 1966 · 56 ep · 23h 20m
Side story / OVA – optional but adds context.
- 4
- 5
Side storyoptionalMameshibaSpecial · 2008 · 24 ep · 12h
Side story / OVA – optional but adds context.
- 6
Side storyoptionalOsomatsu-sanTV Series · 2015 · 25 ep · 9h 35m
Side story / OVA – optional but adds context.
Release order
- 1Osomatsu-kun1966-02
- 2Mameshiba2008-03
- 3Osomatsu-san2015-10
- 4Osomatsu-san x Mameshiba2018-03
- 5Osomatsu-san Dai 3-ki2020-09
- 6Osomatsu-san 42025-07
Mr. Osomatsu (Osomatsu-san) watch order checklist
Tick off each one as you go. Saved in this browser.
Mr. Osomatsu (Osomatsu-san) watch order FAQ
What order should I watch Mr. Osomatsu (Osomatsu-san) in?
Mr. Osomatsu (Osomatsu-san) follows the sextuplets of the 1962 manga Osomatsu-kun as adults, so you can start with it. Watch Season 1 (October 2015–March 2016), Season 2 (October 2017–March 2018), the film (March 2019), Season 3 (October 2020–March 2021) and Season 4 (July–October 2025; its delayed final episode came out in June 2026). The two later films, The Hipipo Tribe and the Glistening Fruit (July 2022) and The Soul's Takoyaki Party and the Legendary Sleepover Party (July 2023), are optional, as are the 1966 and 1988 Osomatsu-kun series; the many shorts are extras.
How long does it take to watch all of Mr. Osomatsu (Osomatsu-san)?
The core story and movies run about 14h 48m. At two hours a day that is roughly 8 days.
How many seasons does Mr. Osomatsu (Osomatsu-san) have?
3 parts make up the main story and 3 side stories or OVAs.
Where can I stream all of Mr. Osomatsu (Osomatsu-san)?
Crunchyroll lists 2 of the 3 seasons and movies. Catalogues differ by country, so check the links on each part above.