おそ松さん 第4期

Mr. Osomatsu 4th season

The fourth season of Osomatsu-san. The sextuplets run amok for a fourth time! Now adults in their 20s, they are still unemployed, undertrained, and single…but there’s something lovable about Japan’s most famous sextuplets. As a new chaotic adventure begins, what’s next? New friends? New trouble? And perhaps a new side to the sextuplets? Let’s all laugh together with these brothers who are beyond any hope. (Source: Crunchyroll) Notes: Initially meant to air its episode 13 on October 1st, 2025, though instead aired an episode 12.5. After airing episode 12.5, the production stated the actual episode 13 was in production, however delayed indefinitely The 13th episode was later announced as a part of the Osomatsu-san 10th anniversary event in 2026, where it first received a limited theatrical pre-screening between June 6th to June 11th, with a later early streaming release taking place from June 12th. It was then finally broadcast on June 13th, 2026.

Format
TV
Episodes
13
Episode Duration
24 mins
Status
Finished
All details and tags
★58% Average♥23 Favorites

Details

Type
Anime
Format
TV
Episodes
13
Episode Duration
24 mins
Status
Finished
Start Date
Jul 9, 2025
End Date
Jun 13, 2026
Season
Summer 2025
Average Score
58%
Mean Score
60%
Ratings
417
Popularity
2339
Favorites
23
Reviews
0
Studios
PIERROT FILMS, Studio Pierrot
Producers
TV Tokyo, Avex Pictures, Daiichi Shoukai, Dentsu, Fujio Productions, AT-X
Source
Manga
Hashtag
#おそ松さん #おそ松さん4期
Genres
Comedy, Sci-Fi, Slice of Life
Country
Japan
Romaji
Osomatsu-san 4th Season
English
Mr. Osomatsu 4th season

Tags

Description

The fourth season of Osomatsu-san. The sextuplets run amok for a fourth time! Now adults in their 20s, they are still unemployed, undertrained, and single…but there’s something lovable about Japan’s most famous sextuplets. As a new chaotic adventure begins, what’s next? New friends? New trouble? And perhaps a new side to the sextuplets? Let’s all laugh together with these brothers who are beyond any hope. (Source: Crunchyroll) Notes: Initially meant to air its episode 13 on October 1st, 2025, though instead aired an episode 12.5. After airing episode 12.5, the production stated the actual episode 13 was in production, however delayed indefinitely The 13th episode was later announced as a part of the Osomatsu-san 10th anniversary event in 2026, where it first received a limited theatrical pre-screening between June 6th to June 11th, with a later early streaming release taking place from June 12th. It was then finally broadcast on June 13th, 2026.

Immersion

Japanese
VocabularyImprove data
Word count
12,962
Unique words
2,123
Unique kanji
748
Words used once
1,059
Difficulty
41% · Average
Speech duration
2h 44m

Relations

Characters

Staff

Status Distribution

Planning
1,151
Completed
599
Current
346
Dropped
149
Paused
94

Score Distribution

10%
13
20%
6
30%
26
40%
35
50%
66
60%
84
70%
94
80%
47
90%
32
100%
14

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