Mr. Osomatsu 4th Season
Mr. Osomatsu 4
Osomatsu-san 4th Season
Genres
- Comedy
Tags
all 5- TraitsTwins75
- TraitsAliens60
- TechnicalEpisodic60
- ComedySurreal Comedy60
- ComedySlapstick46
Genres: Comedy. Tags: Twins, Aliens, Episodic, Surreal Comedy, Slapstick.
#10070
Ranked
#8495
Popularity
19
Favorites
2.2K
Members
Episode Progress
12 / 12 episodes aired
Available up to Episode 12 on Crunchyroll
- Premiered
- Summer 2025
- Aired
- Jul 9, 2025 – Sep 24, 2025
- Broadcast
- Wednesday · 00:00:00
- Duration
- 23 min
- Time to Complete
- ~4h 36m
- Studio
- Pierrot Films
Alternative Titles
jaおそ松さん 第4期
en-x-romajiOsomatsu-san 4th Season
enMr. Osomatsu 4
Synopsis
Fourth season of Osomatsu-san.
Synopsis
Episode 13 has been at first delayed indefinitely, but later a recap episode 12.5 was added to a Blu-ray/DVD release in its stead.
Where to Watch
Trailer
Franchise Timeline
Mr. Osomatsu 4th Season is entry 5 of 5 in the Mr. Osomatsu watch order, continuing the story after Mr. Osomatsu 3.
Franchise Timeline
Mr. Osomatsu
Side Stories
Essential·Core entries only — skip filler and side content
- Osomatsu-kun (1988)Season 11988
- Mr. OsomatsuSeason 22015
- Mr. Osomatsu 2Season 32017
- Mr. Osomatsu 3Season 42020
- Mr. Osomatsu 4th SeasonSeason 52025
Complete·Everything including OVAs, specials & side stories
- Osomatsu-kun (1988): Appare! Chibita no Onitaiji zansuOptional SPECIAL1988
- Osomatsu-kun: Suika no Hoshi kara Konnichiwa zansu!Optional MOVIE1989
- Osomatsu-kun: Iyami wa Hitori Kaze no NakaOptional OVA1990
- Mr. Osomatsu2015
- Mr. Osomatsu Episode 3.5: Virgin HeroesOptional SPECIAL2016
- Mr. Osomatsu Short Film SeriesOptional SPECIAL2016
- The Story of the Sextuplets and a HorseOptional TV2016
- Osomatsu-san: An Anecdote with HorsesOptional TV2016
- Osomatsu-san: Haru no Zenkoku Dai Senbatsu Jouei-sai - Sentou Quiz 2Optional MOVIE2017
- dMatsu-sanOptional ONA2018
- Mr. Osomatsu the MovieOptional MOVIE2019
- Chocomatsu-san: Valentine's Day-henOptional ONA2021
- Chocomatsu-san: White Day-henOptional ONA2021
- Osomatsu-san: Hipipo-Zoku to Kagayaku KajitsuOptional MOVIE2022
- Osomatsu-san: Tamashii no Takoyaki Party to Densetsu no OtomarikaiOptional MOVIE2023
- MatsuinuOptional TV2023
- Mr. Osomatsu 22017
- Osomatsu-san Short Film Series 2nd SeasonOptional SPECIAL2018
- Osomatsu-san: Hajimari HajimariOptional SPECIAL2018
- Mr. Osomatsu 32020
- Osomatsu-san 3rd Season SpecialsOptional SPECIAL2020
- Osomatsu-san 4th Season: Sou, Shuu, HenOptional TV2025
- Mr. Osomatsu-san the Movie: Prologue TheaterOptional MOVIE2019
Platform Scores
MAL
6.13
AniList
57 / 100
Kitsu
63 / 100
AniList Trend
135
Episode Guide
Aired so far: 12 / 12
Main Story
12 / 12
100%
Latest Aired
Episode 12
Remaining
Fully available
Aired so far
Theme Songs
Status Breakdown
Tags
Shows how closely each tag relates to this animeShow spoiler tags1
Relations
Recommendations
3 recommendations
Frequently Asked Questions
How many episodes does Mr. Osomatsu 4th Season have?
Mr. Osomatsu 4th Season is scheduled for a total of 12 episodes. As the series is currently airing, you can expect each episode to have a standard runtime of approximately 23 minutes.
Is Mr. Osomatsu 4th Season finished or still airing?
Mr. Osomatsu 4th Season is currently airing as part of the summer 2025 anime season. It is not yet finished, so new episodes are still being released.
Where can I watch Mr. Osomatsu 4th Season online?
You can stream Mr. Osomatsu 4th Season legally on Crunchyroll.
What is the premise of Mr. Osomatsu 4th Season?
Mr. Osomatsu 4th Season continues the story of the sextuplets in this long-running comedy series. It features the signature gag humor, parody elements, and adult cast that fans of the franchise expect.
Do I need to watch previous seasons before starting Mr. Osomatsu 4th Season?
Yes, this is the fifth entry in the franchise, so it is recommended to watch the previous seasons first. Specifically, you should watch the prequel Mr. Osomatsu 3 before starting this season.
Who is the director behind Mr. Osomatsu 4th Season?
The fourth season is directed by Odaka, Yoshinori. The production is handled by the studio Pierrot Films.
What should I watch if I like the comedy style of Mr. Osomatsu 4th Season?
If you enjoy the gag humor found in this series, you might want to check out The Vampire Dies in No Time, Pop Team Epic, or Daily Lives of High School Boys, which are all popular recommendations among fans.
Are there any side stories related to Mr. Osomatsu 4th Season?
Yes, there is a side story entry titled Osomatsu-san 4th Season: Sou, Shuu, Hen that is part of this season's release cycle.
Information
- Type
- TV
- Status
- Airing
- Country
- Japan
- Premiered
- Summer 2025
- Aired
- Jul 9, 2025 – Sep 24, 2025
- Broadcast
- Wednesday · 00:00:00
- Episodes
- 12 / 12
- Duration
- 23 min
- Time to Complete
- ~4h 36m
- Studio
- Pierrot Films
Alternative Titles
jaおそ松さん 第4期
en-x-romajiOsomatsu-san 4th Season
enMr. Osomatsu 4
Discussion
Discussion