Poster for Mr. Osomatsu

HTB 2015 - 4 seasons 88 eps TV-14 Returning series

Mr. Osomatsu

2015 - 4 seasons 88 eps TV-14

7.4

Season 4

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Specials

Season 1

Season 2

Season 3

Season 4

24 min

S4 · E1 · Jul 9, 2025

It's Starting Again Episode 1

The sextuplets spend a lazy Tanabata with friends and neighbors.

24 min

S4 · E2 · Jul 16, 2025

Watermelon Alien Episode 2

The sextuplets get a craving for watermelon, unbeknownst to an intergalactic invasion being underway.

24 min

S4 · E3 · Jul 23, 2025

Thunderstorms and Crew Cuts Episode 3

A rainy day forces the sextuplets indoors, leading to a series of events involving Ichimatsu's bad new haircut.

24 min

S4 · E4 · Jul 30, 2025

Temple Festival Episode 4

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

24 min

S4 · E5 · Aug 6, 2025

Rest / Fishing Hermit Episode 5

After the festival, the sextuplets get some rest to ease their injuries. / Two fishermen (Todomatsu and Karamatsu) meet a fishing hermit (Jyushimatsu).

24 min

S4 · E6 · Aug 13, 2025

Fans and Time Machines Episode 6

After their fan breaks, the sextuplets set off on a time travel mission to recover the fan when it worked, with many failed retrievals made along the way.

24 min

S4 · E7 · Aug 20, 2025

Storytime, Jo Episode 7

Classic children's tales retold with an Osomatsu bent. A Dog of Flanders with many ludicrous variants of Nello and Patrache's deaths, Snow White has a mysterious power, Hansel and Gretel get diplomatic, and several cranes repay their debts to one very generous old man.

24 min

S4 · E8 · Aug 27, 2025

Ichimatsu and the Thieving Cat Episode 8

Ichimatsu tries to domesticate a stray cat known for its human-like thievery, but runs into trouble when his new buddy falls back into their old ways.

24 min

S4 · E9 · Sep 3, 2025

The Idiot Series Episode 9

Television parodies featuring the Osomatsu cast. The older set does some calisthenics with disastrous results, Jyushipi and Choropi conjure up some magical cooking, the sextuplets and their parents involve themselves in a yakuza movie-style argument, a sextet of singing fungi try to escape their fate of harvesting, and the Idiot Brothers, Idiot Sisters, and Idiot Married Couple partake in a manzai sketch comedy bit.

24 min

S4 · E10 · Sep 10, 2025

Iyami and the Shy Little Aliens Episode 10

After an influx of intergalactic immigrants take residence in Japan, Iyami opens up a maid cafe with some shy multiplying aliens as the main attraction.

24 min

S4 · E11 · Sep 17, 2025

The Sextuplets Have the Same Dream Episode 11

Like how some twins can feel phantom pains, the sextuplets occasionally have the same dream. Here are two surreal dreams about bodily transformation that the brothers have.

24 min

S4 · E12 · Sep 24, 2025

The End of Summer Episode 12

The end of summer has arrived, with Chibita deciding to close up his oden stall and pursue a charitable cause. Osomatsu, frustrated with this sudden change, angrily pressures his childhood buddy to stay.

24 min

S4 · E13 · Jun 13, 2026

The Matsuno Ten Episode 13

In a parody of 80s music show "The Best Ten", the cast perform retro-styled songs, themed to the sounds of the late Showa era's most popular musicians.

13 episodes in Season 4

Some details come from TheTVDB.

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