Mr. Osomatsu 4th season (2025)

CinemaOSAnime · 2025 · TV · 13 eps

60%(2,420)ComedySci-FiSlice of Life

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.

StudioPIERROT FILMS

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Format: TV
Episodes: 13
Status: Finished
Season: Summer 2025
Duration: 24 min
Source: Manga

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Episodes

13 available

13 Episodes

Ep 17.1

It`s Starting Again

The sextuplets are back again.

Ep 29.6

Watermelon Alien

The sextuplets suddenly get a craving for watermelon.

Ep 38.5

Thunderstorms and Crew Cuts

Ichimatsu gets a hair cut.

Ep 45.2

Temple Festival

The sextuplets and their friends get ready for a temple festival.

Ep 53.6

Rest / Fishing Hermit

The sextuplets need some rest after the last episode and then Karamatsu and Todomatsu meet a fishing hermit.

Ep 66.9

Fans and Time Machines

The sextuplets travel back in time to get themselves a working fan after theirs broke.

Ep 78.5

Storytime, Jo

Let's see some classic fairytales, Mr. Osomatsu style.

Ep 88.5

Ichimatsu and the Thieving Cat

A thieving cat is rampaging through the shopping district. While the store owners have a hard time dealing with it, Totoko's family fish shop is also affected, and even the sextuplets can't keep quiet. What is Ichimatsu thinking about this situation?

Ep 9

The Idiot Series

The hot days are still continuing... At this time of year when the heat can make it hard to concentrate, we bring you a collection of short stories that you won't get bored of!

Ep 10

Iyami and the Shy Little Alien

In the space age, there are now many space travelers and aliens living on Earth. Meanwhile, Iyami opens a new "space cafe." The cafe, where aliens serve customers, is booming, but it seems the staff have some kind of secret...