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The Worst Episodes of Mr. Osomatsu

Every episode of Mr. Osomatsu ranked from worst to best. Explore the Worst Episodes of Mr. Osomatsu!

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Sequel/spin-off of the gag manga classic Osomatsu-kun, entailing the lives of the now 20-something NEET virgin Matsuno sextuplets and the bizarre adventures they find themselves into in the modern day.

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Episode Rankings

  1. #1 Worst Episode
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    Mr. Osomatsu Season 4 Episode 1 - It's Starting Again
    0.0/10(0 votes)

    #1 - It's Starting Again

    S4:E1

    The sextuplets spend a lazy Tanabata with friends and neighbors.

    Director:Ryosuke Azuma
    Writer:Shu Matsubara

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  2. Mr. Osomatsu Season 4 Episode 2 - Watermelon Alien
    0.0/10(0 votes)

    #2 - Watermelon Alien

    S4:E2

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

    Directors:Tsuneo Suzuki, Takeshi Nakano
    Writer:Shu Matsubara

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  3. Mr. Osomatsu Season 4 Episode 3 - Thunderstorms and Crew Cuts
    0.0/10(0 votes)

    #3 - Thunderstorms and Crew Cuts

    S4:E3

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

    Directors:Yuki Morita, Ippei Ichii
    Writer:Shu Matsubara

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  4. Mr. Osomatsu Season 4 Episode 4 - Temple Festival
    0.0/10(0 votes)

    #4 - Temple Festival

    S4:E4

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

    Director:Nene Futamura
    Writer:Shu Matsubara

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  5. Mr. Osomatsu Season 4 Episode 5 - Rest / Fishing Hermit
    0.0/10(0 votes)

    #5 - Rest / Fishing Hermit

    S4:E5

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

    Director:Kentaro Mizuno
    Writer:Shu Matsubara

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  6. Mr. Osomatsu Season 4 Episode 6 - Fans and Time Machines
    0.0/10(0 votes)

    #6 - Fans and Time Machines

    S4:E6

    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.

    Director:Yusaku Kikuchi
    Writer:Shu Matsubara

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  7. Mr. Osomatsu Season 4 Episode 7 - Storytime, Jo
    0.0/10(0 votes)

    #7 - Storytime, Jo

    S4:E7

    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.

    Director:Ryosuke Azuma
    Writer:Shu Matsubara

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  8. Mr. Osomatsu Season 4 Episode 8 - Ichimatsu and the Thieving Cat
    0.0/10(0 votes)

    #8 - Ichimatsu and the Thieving Cat

    S4:E8

    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.

    Director:Yusaku Kikuchi
    Writer:Shu Matsubara

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  9. Mr. Osomatsu Season 4 Episode 9 - The Idiot Series
    0.0/10(0 votes)

    #9 - The Idiot Series

    S4:E9

    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.

    Directors:Yuki Morita, Itoko Nagai
    Writer:Shu Matsubara

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  10. Mr. Osomatsu Season 4 Episode 10 - Iyami and the Shy Little Aliens
    0.0/10(0 votes)

    #10 - Iyami and the Shy Little Aliens

    S4:E10

    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.

    Director:Hitomi Ezoe
    Writer:Shu Matsubara

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  11. Mr. Osomatsu Season 4 Episode 11 - The Sextuplets Have the Same Dream
    0.0/10(0 votes)

    #11 - The Sextuplets Have the Same Dream

    S4:E11

    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.

    Director:Ryosuke Azuma
    Writer:Shu Matsubara

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  12. Mr. Osomatsu Season 4 Episode 12 - The End of Summer
    0.0/10(0 votes)

    #12 - The End of Summer

    S4:E12

    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.

    Directors:Nene Futamura, Yuki Morita, Shigeru Fukase
    Writer:Shu Matsubara

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  13. Mr. Osomatsu Season 1 Episode 12 - Year-End Special-san
    4.5/10(11 votes)

    #13 - Year-End Special-san

    S1:E12

    Osomatsu and Totoko host an end of year special broadcast, looking back on previous episodes to determine which of the brothers is the biggest loser.

    Director:Unknown
    Writer:Unknown

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  14. Mr. Osomatsu Season 3 Episode 13 - Mr. HNYmatsu
    4.5/10(9 votes)

    #14 - Mr. HNYmatsu

    S3:E13

    Salmon and Pickled Plum look back on the last two-and-a-half seasons of the series in a clip-show episode.

    Director:Unknown
    Writer:Shu Matsubara

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  15. Mr. Osomatsu Season 1 Episode 25 - Osomatsu-san, Such as It Was
    5.4/10(16 votes)

    #15 - Osomatsu-san, Such as It Was

    S1:E25

    The brothers quickly abandon their new lifestyles upon learning they have been invited to a baseball tournament for the finale.

    Director:Unknown
    Writer:Shu Matsubara

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  16. Mr. Osomatsu Season 2 Episode 25 - Mr. Osomatsu in Hell
    5.4/10(9 votes)

    #16 - Mr. Osomatsu in Hell

    S2:E25

    The Matsunos and Iyami are killed in a freak plane crash, sending them to Hell. In mourning, the others ponder a way to bring the status quo back to its rightful place with the help of someone near and dear to them.

    Directors:Yoshinori Odaka, Takumi Doyama
    Writer:Shu Matsubara

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  17. Mr. Osomatsu Season 2 Episode 5 - Osomatsu-san in the Summer
    5.7/10(12 votes)

    #17 - Osomatsu-san in the Summer

    S2:E5

    A series of summer-themed skits. Jyushimatsu takes part in radio exercises, Iyami and Chibita try to beat the heat, Todomatsu keeps finding himself exiled by his brothers, Karamatsu tries to inject summer into everyone's lives, and the sextuplets attempt to talk to girls on the beach.

    Director:Unknown
    Writer:Shu Matsubara

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  18. Mr. Osomatsu Season 2 Episode 20 - Tidbits Collection 2
    5.7/10(7 votes)

    #18 - Tidbits Collection 2

    S2:E20

    Yet another collection of random skits, with Dayon's live reaction complimenting. Chibita tries selling some sextuplet meat buns, Choromatsu files his taxes, Osomatsu accuses his brothers of stealing his wallet, a fierce wave of pollen hits town, Totoko tries to escape a creepy maze, raccoon Jyushimatsu cleans his food, Todomatsu tries doing something crazy, kindergartners visit a bread factory, the Proper-Rangers prepare to set off, and Osomatsu takes part in an Olympic skeleton event.

    Director:Toshihiro Maeya
    Writer:Shu Matsubara

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  19. Mr. Osomatsu Season 2 Episode 21 - The Late Night Himatsuya / BANANA / NEET Correctional Facility
    5.7/10(7 votes)

    #19 - The Late Night Himatsuya / BANANA / NEET Correctional Facility

    S2:E21

    The brothers get rowdy while getting drunk at a restaurant. Unemployed office lady Totomi ends up taking a job at a strange establishment that offers some peculiar services. After being visited by a salesman, Matsuyo contemplates sending off one of her sons to a NEET correctional facility, asking Choromatsu to help her decide which one to send away.

    Director:Mamiko Sekiya
    Writer:Shu Matsubara

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  20. Mr. Osomatsu Season 2 Episode 23 - The Late Night Himatsuya 2 / Dayon and Dayon / Iyami-san Is Troubled / The Late Night Himatsuya 3
    5.7/10(7 votes)

    #20 - The Late Night Himatsuya 2 / Dayon and Dayon / Iyami-san Is Troubled / The Late Night Himatsuya 3

    S2:E23

    The Matsunos get drunk at the izakaya again. Dayon meets his doppelgänger. Iyami attempts suicide. The Matsunos get drunk at the izakaya one last time, but things turn introspective.

    Director:Shintaro Inokawa
    Writer:Shu Matsubara

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  21. Mr. Osomatsu Season 2 Episode 2 - Celebrate! New Employment!! / Super Detergent
    5.8/10(13 votes)

    #21 - Celebrate! New Employment!! / Super Detergent

    S2:E2

    The brothers try their hand as streamers after being chastised by their parents for not having jobs. Later, Iyami uses an experimental detergent to keep his suit clean, but after being confused by the Matsunos as an expensive liquor, is revealed to turn anything invisible (up to a point).

    Director:Yoshinori Odaka
    Writer:Shu Matsubara

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  22. Mr. Osomatsu Season 2 Episode 17 - UMA Expedition Team 3 / Punishment / Inn
    5.8/10(7 votes)

    #22 - UMA Expedition Team 3 / Punishment / Inn

    S2:E17

    Doo-wah! The expedition team of Iyami, Jyushimatsu, and Hatabou search for the Devil Yeti. Ichimatsu becomes paranoid when lucky things happen to him all day, so he and Jyushimatsu try to punish themselves to balance things out. A lovey-dovey couple go to a hot spring inn that's haunted by a zashiki-warashi named Osoma.

    Director:Unknown
    Writer:Shu Matsubara

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  23. Mr. Osomatsu Season 3 Episode 17 - The Riceball's New Routine / Imoni
    5.9/10(9 votes)

    #23 - The Riceball's New Routine / Imoni

    S3:E17

    The Riceballs test out some comedy material. Dekapan hosts an imoni-cooking competition.

    Director:Unknown
    Writer:Shu Matsubara

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  24. Mr. Osomatsu Season 2 Episode 4 - Cavematsu-san 2 / Matsuzou and Matsuyo
    6.0/10(12 votes)

    #24 - Cavematsu-san 2 / Matsuzou and Matsuyo

    S2:E4

    The prehistoric sextuplets return, partaking in dangerous sports. Later, in modern day, noticing their father acting strangely, the brothers discover that he is worried that there's not enough spark in his marriage. After embarrassing himself in front of his sons, Matsuzou considers a love potion from Dekapan, but is this really the best way to patch things up with the love of his life?

    Director:Mamiko Sekiya
    Writer:Shu Matsubara

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  25. Mr. Osomatsu Season 2 Episode 7 - Cavematsu-san 3 / Sangokushi-san / Osomatsu and Todomatsu
    6.0/10(8 votes)

    #25 - Cavematsu-san 3 / Sangokushi-san / Osomatsu and Todomatsu

    S2:E7

    The prehistoric sextuplets fool with nature for the last time. Several thousand years later, in a parody of Romance of the Three Kingdoms, Emperor Osomatsu and a group of bizarre generals attempt to take over the country. Meanwhile, in the real world, Osomatsu joins Todomatsu at a mixer, struggling to keep his perverted instincts in check.

    Director:Naoya Ando
    Writer:Shu Matsubara

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Worst Episodes Summary

"It's Starting Again" is the worst rated episode of "Mr. Osomatsu". It scored /10 based on 0 votes. Directed by Ryosuke Azuma and written by Shu Matsubara, it aired on 7/9/2025. This episode scored 0.0 points lower than the second lowest rated, "Watermelon Alien".