Osomatsu-san 4th Season

Anime·おそ松さん 第4期·Mr. Osomatsu 4th season
Osomatsu-san 4th Season
2025/07/09
Speech time
2h 54min
Word count13,601
Unique words
2,353
Unique kanji
810
Avg. sentence6.9
Speech speed
218
Difficulty Average
Episodes13
Rating
57 %

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)

Genres
Comedy
Sci-Fi
Slice of Life
Tags
Twins
Alien
Episodic
Absurdist Comedy
Slapstick

Japanese study overview

Osomatsu-san 4th Season is a Japanese anime of 34,592 characters, with 2,353 unique words and 810 different kanji. Its difficulty rating on Jiten is average, 2.3 out of 5. The full vocabulary list ranks all 2,353 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.

Episode 1

Speech time
10min
Word count644
Unique words
263
Unique kanji
91
Avg. sentence4.8
Speech speed
154
Difficulty Average

Episode 2

Speech time
13min
Word count1,021
Unique words
391
Unique kanji
172
Avg. sentence6.4
Speech speed
213
Difficulty Average

Episode 3

Speech time
11min
Word count965
Unique words
351
Unique kanji
143
Avg. sentence7.3
Speech speed
224
Difficulty Average

Episode 4

Speech time
11min
Word count831
Unique words
337
Unique kanji
130
Avg. sentence6.0
Speech speed
184
Difficulty Average

Episode 5

Speech time
16min
Word count1,229
Unique words
447
Unique kanji
209
Avg. sentence7.6
Speech speed
225
Difficulty Average

Episode 6

Speech time
12min
Word count950
Unique words
347
Unique kanji
121
Avg. sentence6.3
Speech speed
205
Difficulty Easy

Episode 7

Speech time
14min
Word count1,098
Unique words
410
Unique kanji
191
Avg. sentence7.1
Speech speed
204
Difficulty Average

Episode 8

Speech time
11min
Word count856
Unique words
340
Unique kanji
133
Avg. sentence6.4
Speech speed
184
Difficulty Average

Episode 9

Speech time
14min
Word count1,303
Unique words
386
Unique kanji
186
Avg. sentence7.7
Speech speed
265
Difficulty Average

Episode 10

Speech time
12min
Word count928
Unique words
415
Unique kanji
209
Avg. sentence7.2
Speech speed
205
Difficulty Average

Episode 11

Speech time
14min
Word count1,375
Unique words
457
Unique kanji
171
Avg. sentence7.1
Speech speed
265
Difficulty Average

Episode 12

Speech time
13min
Word count1,069
Unique words
436
Unique kanji
183
Avg. sentence7.1
Speech speed
212
Difficulty Easy

Episode 13

Speech time
14min
Word count1,332
Unique words
563
Unique kanji
275
Avg. sentence8.2
Speech speed
262
Difficulty Average

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Vocabulary highlights

Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.

See the full vocabulary list (2,353 words) →