Osomatsu-kun (1988) watch order

Updated October 2026 · 11 seasons, 4 movies and 8 OVAs and specials · in release order

Short answer

Watch Osomatsu-kun (1988) in release order: Osomatsu-kun (1988) → Mr. Osomatsu → Mr. Osomatsu 2nd season → Mr. Osomatsu 3rd season → Mr. Osomatsu 4th season.

in the main story: 5 seasons

174

episodes

~70 h

to watch the main story

Or watch Osomatsu-kun (1966) instead: it retells the story in another version, so pick one.

Optional: 6 seasons, 4 movies and 8 OVAs and specials (recaps, side stories and specials), marked below.

Release order

1
Osomatsu-kunAlternate version of Osomatsu-kun (1988)
TV · Winter 1966 · 56 ep · ~23 hours · score 3.0/5
2
Osomatsu-kun (1988)Main story
TV · Winter 1988 · 86 ep · ~34 hours · score 3.2/5
Watch onCrunchyroll RetroCrush
3
Osomatsu-kun: Suika no Hoshi kara Konnichiwa zansu!Side story · optional, after Osomatsu-kun (1988)
Movie · Winter 1989 · ~25 minutes · score 2.5/5
4
Mr. OsomatsuMain story
TV · Fall 2015 · 25 ep · ~10 hours · score 3.8/5
Watch onCrunchyroll Hoopla Tubi YouTube
5
Mr. Osomatsu Episode 3.5Alternate version of Mr. Osomatsu
Special · Winter 2016 · 1 ep · ~25 minutes · score 3.5/5
6
Mr. Osomatsu Short Film SeriesSide story · optional, after Mr. Osomatsu
Special · Winter 2016 · 8 ep · ~25 minutes · score 3.0/5
7
Mutsugo to Ouma no MonogatariSide story · optional, after Mr. Osomatsu
Special · Fall 2016 · 6 ep · ~10 minutes · score 2.6/5
8
Mr. Osomatsu JRA Special 2016Side story · optional, after Mr. Osomatsu
Special · Fall 2016 · 1 ep · ~25 minutes · score 3.4/5
9
Mr. Osomatsu 2nd seasonMain story
TV · Fall 2017 · 25 ep · ~10 hours · score 3.7/5
10
dMatsu-sanSide story · optional, after Mr. Osomatsu
ONA · Winter 2018 · 12 ep · ~10 minutes · score 2.2/5
11
Osomatsu-san Short Film Series 2nd SeasonSide story · optional, after Mr. Osomatsu 2nd season
Special · Winter 2018 · 4 ep · ~20 minutes · score 2.5/5
12
Osomatsu-san Movie: Gekijou Koukai Kinen - Original Tanpen GekijouSide story · optional, after Mr. Osomatsu THE MOVIE
ONA · Winter 2019 · 7 ep · ~15 minutes · score 2.9/5
13
Mr. Osomatsu the Movie: Prologue TheaterExtra · optional
Special · Winter 2019 · 6 ep · ~10 minutes · score 3.0/5
Watch onCrunchyroll
14
Mr. Osomatsu THE MOVIESide story · optional, after Mr. Osomatsu
Movie · Winter 2019 · ~2 hours · score 3.8/5
15
Mr. Osomatsu 3rd seasonMain story
TV · Fall 2020 · 25 ep · ~10 hours · score 3.6/5
16
Atsumare! Minna no Contematsu-san!Side story · optional, after Mr. Osomatsu 3rd season
Special · Winter 2021 · 6 ep · ~5 minutes · score 3.0/5
17
Chocomatsu-san: Valentine's Day-henSide story · optional, after Mr. Osomatsu 3rd season
ONA · Winter 2021 · 3 ep · ~10 minutes · score 2.6/5
18
Chocomatsu-san: White Day-henSide story · optional, after Mr. Osomatsu 3rd season
ONA · Winter 2021 · 3 ep · ~10 minutes · score 2.5/5
19
Osomatsu-san 3: GekokujouSide story · optional, after Mr. Osomatsu 3rd season
Special · Spring 2021 · 2 ep · ~5 minutes · score 2.5/5
20
Osomatsu-san: Hipipo-Zoku to Kagayaku KajitsuSide story · optional, after Mr. Osomatsu
Movie · Summer 2022 · ~70 minutes · score 2.8/5
21
Osomatsu-san: Tamashii no Takoyaki Party to Densetsu no OtomarikaiSide story · optional, after Mr. Osomatsu
Movie · Summer 2023 · ~60 minutes · score 3.2/5
22
MatsuinuSide story · optional, after Mr. Osomatsu
TV · Fall 2023 · 12 ep · ~35 minutes · score 2.3/5
Watch onYouTube
23
Mr. Osomatsu 4th seasonMain story
TV · Summer 2025 · 13 ep · ~5 hours · score 2.9/5
Watch onCrunchyroll

How long is Osomatsu-kun (1988)?

Part	Seasons and movies	Episodes	Watch time
Main story	5 seasons	174	about 70 hours
Everything released	11 seasons, 4 movies and 8 OVAs and specials	305	about 101 hours

Watch time uses each season's and movie's episode length, or a typical length where we don't have one.

Where to watch Osomatsu-kun (1988)

Osomatsu-kun (1988) is officially on Crunchyroll (4 of 23), YouTube (2 of 23) and Hoopla, RetroCrush and Tubi (1 of 23), counting its 23 seasons, movies and specials.

Services and regions change; the release order above links each season to its official pages. Where to watch Osomatsu-kun (1988) has the full list, free options included.

Is Osomatsu-kun (1988) finished?

As far as anything announced goes, yes: the last entry, Mr. Osomatsu 4th season, came out in 2025. Nothing new is announced yet.

Do I need to watch the Osomatsu-kun (1988) movies and OVAs?

Optional: Osomatsu-kun: Suika no Hoshi kara Konnichiwa zansu!, Mr. Osomatsu Short Film Series, Mutsugo to Ouma no Monogatari, Mr. Osomatsu JRA Special 2016, dMatsu-san, Osomatsu-san Short Film Series 2nd Season and 10 more. Osomatsu-kun, Mr. Osomatsu Episode 3.5 retell the story in another version; pick one.

How many episodes does Osomatsu-kun (1988) have?

The main story is 174 episodes over 5 seasons, about 70 hours of viewing. With every optional extra it is 305 episodes (about 101 hours).

Where can I watch Osomatsu-kun (1988)?

Officially on Crunchyroll, YouTube, Hoopla, RetroCrush, Tubi. Availability depends on your region; each season and movie below lists its own services.

Order and labels come from the relations in the AnimeHunt catalog (sequel, side story, summary, alternative version). Spot a mistake? Tell us.