Skip to content
Streambay
Mr. Osomatsu poster
Anime series

Mr. Osomatsu

Latest episode

S4 E13 · The Matsuno Ten

About Mr. Osomatsu

Mr. Osomatsu is a comedy anime series that premiered on TV Tokyo on October 5, 2015. It has 4 seasons and 88 episodes so far and is still airing new episodes. The latest episode, Season 4 Episode 13 "The Matsuno Ten", aired on June 13, 2026.

The lives of the now 20-something NEET Matsuno sextuplets and the bizarre adventures they find themselves into in the modern day.

  • Comedy
  • Animation

Last updated

Episodes

88 episodes · 4 seasons

Mr. Osomatsu Season 5 hasn’t been dated yet. See what we know. Release date →

1st season

2015 · 25 episodes · Last episode: 10 years ago

The Matsuno brothers, stars of "Osomatsu-kun", are jaded 20-somethings looking for a job and love, but never seem to find it or make an effort to. How can they compete with everyone else in the country? Featured alongside these tales of adult woe are stories of imagination, from a murder mystery to the Sengoku era.

Mr. Osomatsu 1st season release dates →
  1. Mr. Osomatsu S1 E25 still E25

    25. Osomatsu-san, Such as It Was

    Finale

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

  2. Mr. Osomatsu S1 E24 still E24

    24. Totoko's Huge Panic/Letter

    Totoko is jealous when those she knows find more success than her. Meanwhile, Choromatsu manages to land a job and moves out of the house, with the other brothers soon following suit, leaving just Osomatsu alone.

  3. Mr. Osomatsu S1 E23 still E23

    23. Kerosene/Dayon Tribe

    When the family heater runs out of kerosene, the brothers to force each other to get a refill. Meanwhile, Osomatsu, Karamatsu, and Choromatsu find themselves in an underground village populated by a tribe of Dayon people.

  4. Mr. Osomatsu S1 E22 still E22

    22. The Star of Hope, Todomatsu/Final Sheeeh

    Todomatsu holds auditions to take one of his brothers with him to a mixer, struggling to find anyone worth taking. Meanwhile, Iyami meets a kung-fu master who believes him to possess a special technique.

  5. Mr. Osomatsu S1 E21 still E21

    21. Mahjong/Godmatsu

    On a rainy evening, the brothers play a fierce game of mahjong. Later, the brothers suddenly find themselves joined by a seventh brother, Kamimatsu, born from the goodness that fell out of the brothers' hearts.

  6. Mr. Osomatsu S1 E20 still E20

    20. Tell Me, Hatabou/School Matsu/Iyami's School

    Hatabou starts his own catering service, cooking with a delicious mystery meat. Later, Osomatsu, Karamatsu, and the rest play delinquent high school students competing to see who's the toughest. Afterwards, Iyami starts a comedy class hoping to earn a quick buck.

  7. Mr. Osomatsu S1 E19 still E19

    19. Period Drama Osomatsu-san/Choromatsu Rising

    A series of skits take place, set during the Sengoku era. Back in the present, Choromatsu decides to quit being an idol-worshipper and pursue a job, with only his self-awareness standing in the way.

  8. Mr. Osomatsu S1 E18 still E18

    18. Girlymatsu-san 3 / Iyami's Counterattack

    The Girlymatsus attend a wedding and try very badly to pretend to not be jealous. / Wanting to become the main protagonist of the franchise again, Iyami holds a bizarre kart race to determine who the real star of Osomatsu-san will be.

  9. Mr. Osomatsu S1 E17 still E17

    17. Jyushimatsu Festival

    A series of Jyushimatsu-oriented skits, including the fifth-youngest defusing a bomb, having a late-night cup of noodles, selling baseball doujins at Comiket, and devolving the world into its written essentials.

  10. Mr. Osomatsu S1 E16 still E16

    16. Cat Cafe/Matsuno Max/The Ichimatsu Incident

    Ichimatsu gets a job interview at a cat cafe, but when in Rome, he does as the locals do. Later, in an apocalyptic world, F6 battles against Iyami and Dekapan, who are robbing the dry-skinned citizens of all of their lotion. After, Ichimatsu is forced to pretend to be Karamatsu after Osomatsu catches him trying on his clothes.

  11. Mr. Osomatsu S1 E15 still E15

    15. Interview/Girlymatsu-san 2/The Life of Chibita's Flower

    Jyushimatsu goes to a job interview, proving to be a total nuisance for the interviewers. Later, the Girlymatsus return to go on a ladies' trip, causing trouble for each other as they arrive. After, Chibita falls in love with a fairy who manifested from a lonely flower.

  12. Mr. Osomatsu S1 E14 still E14

    14. We Caught a Cold/Todomatsu's Line/Choromatsu-sensei

    The sextuplets catch a resilient cold. Later, the brothers question Todomatsu about all the things he hasn't told them about his personal life. Afterwards, Choromatsu plays a paranoid vice-principal overly worried about plans for his school's cultural festival.

  13. Mr. Osomatsu S1 E13 still E13

    13. Sanematsu-san/Girlymatsu-san/Accident?

    A salaryman named Sanematsu takes care of his six siblings, the Matsuno brothers play the roles of a friend group of working girls, and Choromatsu gets caught during a private moment.

  14. Mr. Osomatsu S1 E12 still E12

    12. Year-End Special-san

    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.

  15. Mr. Osomatsu S1 E11 still E11

    11. Christmas Osomatsu-san

    A series of Christmas-themed skits. Among those included are a zombified cold open, Ichimatsu disturbing a happy couple on a date, an F6 holiday fantasy, and the Annual Matsuno Family Christmas Gift Exchange.

  16. Mr. Osomatsu S1 E10 still E10

    10. Iyami and Chibita's Rental Girlfriend

    Iyami and Chibita dress up as girls, and trick the Matsuno brothers into falling in love with them with the help of a sex-change drug. It's only a matter of time before this plan goes bad.

  17. Mr. Osomatsu S1 E9 still E9

    9. Chibita and Oden/Jyushimatsu Falls in Love

    Karamatsu ends up as Chibita's apprentice at his oden stand. Meanwhile, Jyushimatsu falls in love and his brothers try to help him achieve his romance.

  18. Mr. Osomatsu S1 E8 still E8

    8. The Calming Osomatsu/Totoko's Dream

    Captain Choromatsu invites an interesting detective onto an increasingly dangerous murder case to ease the tension of the crew. / Totoko wants to be a popular idol, but reality is so cruel.

  19. Mr. Osomatsu S1 E7 still E7

    7. Todomatsu and the 5 Demons/To the North

    Todomatsu gets a job at a local coffeehouse. His brothers want no such success. / Dekapan and Dayon enjoy a carefree northbound trip together.

  20. Mr. Osomatsu S1 E6 still E6

    6. It's a Birthday Party, Dajo/Iyami's Great Discovery

    The Matsunos are invited to Hatabou's birthday party. / Iyami discovers that his buckteeth contain a rare metal.

  21. Mr. Osomatsu S1 E5 still E5

    5. The Karamatsu Incident/ESP Kitty

    Karamatsu gets kidnapped, but his brothers don't do anything. Later, a cat gets to speak and read minds, which causes mayhem for the Matsuno brothers.

  22. Mr. Osomatsu S1 E4 still E4

    4. Let's Get Independent/This is Totoko

    The Matsuno brothers compete to ensure their divorcing parents will care of each of them. Meanwhile, Totoko asks the brothers for help in a crisis.

  23. Mr. Osomatsu S1 E3 still E3

    3. Tidbits Collection

    A collection of unrelated shorts starring the wild and wacky cast of Osomatsu-san. A trip to outer space ends in disaster, the Pachinko Police are called in, and a familiar-looking puppet serial killer who can't seem to find the right sextuplet for his reverse-beartrap are among the skits featured.

  24. Mr. Osomatsu S1 E2 still E2

    2. Let's Get a Job/The Melancholy of Osomatsu-kun

    The Matsuno brothers struggle to find employment. Later, Osomatsu tries to take an interest in his brothers' lives but winds up being a nuisance to them.

  25. Mr. Osomatsu S1 E1 still E1

    1. Osomatsu-kun Returns

    The Matsuno brothers try to adapt their show to contemporary times, with mixed results.

2nd season

2017 · 25 episodes · Last episode: 8 years ago

The sextuplets, after their successful first season, are back to the grindstone of perhaps finding societal balance...or maybe just slacking off and enjoying life through their empty wallets. Humorous topics such as self-doubt, mortality, and the ever-present inferiority complex are abound!

Mr. Osomatsu 2nd season release dates →
  1. Mr. Osomatsu S2 E25 still E25

    25. Mr. Osomatsu in Hell

    Finale

    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.

  2. Mr. Osomatsu S2 E24 still E24

    24. Cherry Blossoms

    Matsuzou becomes hospitalized, leading the brothers to seriously think about their lives and get proper jobs to support their family. A chance meeting with Totoko sets Osomatsu's mind straight...

  3. Mr. Osomatsu S2 E23 still E23

    23. The Late Night Himatsuya 2 / Dayon and Dayon / Iyami-san Is Troubled / The Late Night Himatsuya 3

    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.

  4. Mr. Osomatsu S2 E22 still E22

    22. Overseas Vacation

    Osomatsu and the rest take off for a wonderful Hawaiian vacation, only for disaster to strike, crashing Hatabou's private jet somewhere in the Pacific. How will our strange company survive the terrible desert island wilderness?

  5. Mr. Osomatsu S2 E21 still E21

    21. The Late Night Himatsuya / BANANA / NEET Correctional Facility

    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.

  6. Mr. Osomatsu S2 E20 still E20

    20. Tidbits Collection 2

    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.

  7. Mr. Osomatsu S2 E19 still E19

    19. President Dekapan / Ventriloquism / Valentine's Day

    After Dekapan becomes president, his secretary Todomatsu tries to keep him from pressing the Big Red Button. Iyami attempts to pull off a sham ventriloquism scheme by having Chibita and Hatabou act as his puppets. On Valentine's Day, the brothers try in vain to get some Valentine's chocolate from someone.

  8. Mr. Osomatsu S2 E18 still E18

    18. Iyami, Alone in the Wind

    In the 1960s, Iyami comes across a blind flower girl named Okiku and, despite being poor himself, tries to help her raise money for eye surgery.

  9. Mr. Osomatsu S2 E17 still E17

    17. UMA Expedition Team 3 / Punishment / Inn

    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.

  10. Mr. Osomatsu S2 E16 still E16

    16. Space Pirates / Gourmet Round / The Cutie Next Door

    A group of aliens pursue the legendary space pirate, Shazarr. Later, displeased with Chibita's oden, Matsuzou serves up his own brand of the dish. Finally, the sextuplets become enamored by their new neighbor, Kinko Inuyama, prompting jealousy from Totoko when they go on a date with Kinko instead of her.

  11. Mr. Osomatsu S2 E15 still E15

    15. UMA Expedition Team 2 / Jar / Karamatsu Taxi / Totty Quiz

    Doo-wah! Iyami, Jyushimatsu, and Hatabou hunt down the chupacabra. / The brothers struggle to remove the lid off of a particularly stubborn jar. / Karamatsu runs his own taxi service, proving to have no idea what he is doing when he picks up an office lady played by Totoko. / Totty holds a quiz for his brothers, containing several questions without right answers.

  12. Mr. Osomatsu S2 E14 still E14

    14. Weekly Drama Serial - Sanematsu-san: Episode 9 / UMA Expedition Team / The Choromatsu Incident

    Sanematsu wakes up in Osomatsu's world as the seventh Matsuno brother. / Doo-wah! Cryptid hunters Jyushimatsu, Iyami, and Hatabou go on an expedition to find a Super Mongolian Death Worm. / Choromatsu changes up his image by dying his hair brown, making it hard for his brothers to tell him that it's doesn't actually make him look cool.

  13. Mr. Osomatsu S2 E13 still E13

    13. Year-end

    A series of end-of-year skits. Osomatsu and Choromatsu try to do one thing that could make them say they had a good year, Ichimatsu gets persuaded to take part in a lottery, Dekapan and Dayon pound mochi together, Hatabou gets pestered by some greedy Jizou statues, and Choromatsu sends some untruthful New Years' cards. During the second half, a news crew documents Todomatsu, who was let go from the Matsuno family the previous year and is forced to try out for a reserve team.

  14. Mr. Osomatsu S2 E12 still E12

    12. Totoko and Nyaa 3 / The Eitaro Family / Give Them Back / Totoko and Nyaa 4

    Jyushimatsu befriends a young boy named Eitarou but gets called in by Eitarou's mother when he starts imitating him. Later, Dayon steals Dekapan's trademark boxers, forcing him to give chase all over the city and universe while butt naked.

  15. Mr. Osomatsu S2 E11 still E11

    11. Chibita's Revenge

    Already angered over the sextuplets refusing to paying off their oden tab, Chibita vows revenge on them after they pluck out his one-and-only hair. That night, Chibita begins taking out the siblings on by one, shaving all of their hair and stuffing oden in their bodies.

  16. Mr. Osomatsu S2 E10 still E10

    10. Karamatsu and Brother / New Employee Totoko / Dubbingmatsu-san

    Karamatsu tries to take on various requests from everyone to look like a reliable brother, only to take on more than he can handle, so Choromatsu tries to teach him how to refuse. Totoko begins working at a company, proving to be a handful for her superior Todomatsu. Later, a pair of seiyuu attend a dubbing session of an episode of Mr. Osomatsu, witnessing how the sextuplets do their work.

  17. Mr. Osomatsu S2 E9 still E9

    9. Campaign Starting Now! / Game Center Iyami

    Ichimatsu struggles to get any sleep with his brothers being noisy all night and refusing to turn off the light. Unable to take anymore, Ichimatsu starts monitoring the brothers' courtesy towards each other, leading Osomatsu to get criticized the most. Later, Iyami proves his skills at the arcades by playing games at their highest difficulty.

  18. Mr. Osomatsu S2 E8 still E8

    8. Synthesis / Jyushimatsu and the Dolphin / Totoko and Nyaa

    Dayon uses Dekapan's latest invention to merge various people together into new beings, with a fiendish end goal in mind. Jyushimatsu becomes determined to get a job at a sea park as an actual dolphin, receiving strict training from a familiar female trainer. Meanwhile, Totoko and Nyaa encounter each other at Chibita's oden stand.

  19. Mr. Osomatsu S2 E7 still E7

    7. Cavematsu-san 3 / Sangokushi-san / Osomatsu and Todomatsu

    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.

  20. Mr. Osomatsu S2 E6 still E6

    6. Iyami Has Arrived / I Want Friends, Jo

    Iyami mooches off the sextuplets after falling on hard times and Hatabou searches for a friend.

  21. Mr. Osomatsu S2 E5 still E5

    5. Osomatsu-san in the Summer

    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.

  22. Mr. Osomatsu S2 E4 still E4

    4. Cavematsu-san 2 / Matsuzou and Matsuyo

    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?

  23. Mr. Osomatsu S2 E3 still E3

    3. Cavematsu-san / Choromatsu and Ichimatsu / Totoko's Challenge

    Prehistoric versions of the brothers invent ways for them to relive any pent-up urges, with varying degrees of success. Later, Choromatsu and Ichimatsu struggle to make conversation with each other. After, Totoko takes part in an eating contest but keeps getting distracted by the brothers and guest star Shouei.

  24. Mr. Osomatsu S2 E2 still E2

    2. Celebrate! New Employment!! / Super Detergent

    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).

  25. Mr. Osomatsu S2 E1 still E1

    1. Mr. Osomatsu Returns!

    The 10-year-old Matsuno sextuplets of Osomatsu-kun are given a glimpse of the future and see they're going to get fat, greedy and beaten up by angry girls.

3rd season

2020 · 25 episodes · Last episode: 5 years ago

After their deaths last season, the sextuplets are visited by two AI-powered robots who claim to be in service to NEETs who need them. Do they have ulterior motives? What's Totoko's long-time idol rival doing as a single mother? And what does an AI comedy competition have in store for the brothers and their new helpers?

Mr. Osomatsu 3rd season release dates →
  1. Mr. Osomatsu S3 E25 still E25

    25. Bored

    Finale

    The sextuplets wander around town in search of things for sakura viewing, but...

  2. Mr. Osomatsu S3 E24 still E24

    24. New Osomatsu Returns / A-1 Grand Prix

    After his arrest, New Osomatsu takes his revenge on the loser he replaced, culminating in a terrifying battle. The Riceballs perform their routine at the A-1 Grand Prix.

  3. Mr. Osomatsu S3 E23 still E23

    23. Contract Renewals / Shopping / Friend

    The characters renew their contracts with the production committee, but the sextuplets have reservations about the season's success. The sextuplets go clothes shopping. Choromatsu meets with a high school friend, and reminisces about a dark secret they share.

  4. Mr. Osomatsu S3 E22 still E22

    22. I Found This / Wannabe Detectives / Hide-and-Seek

    Jyushimatsu finds a ¥100 piece. Oso and Juicy are two detectives whose dramatic skills are better than their investigative techniques. The sextuplets play a ludicrous game of hide-and-seek.

  5. Mr. Osomatsu S3 E21 still E21

    21. Is This Okay? / Greenroom / Totoderella

    Choromatsu and Ichimatsu contemplate the meaning of "a long time" while hanging out at the konbini. The Riceballs converse with other competitors in the A-1 Grand Prix. Totoko plays Cinderella, falling for Prince Nyaa.

  6. Mr. Osomatsu S3 E20 still E20

    20. Choromatsu Memorial Hall / Ear Cleaning / Persimmons

    The grand unveiling of the Choromatsu Memorial Hall is underway, with Todomatsu taking a tour. Osomatsu gives Karamatsu an ear cleaning. A terminally-ill Hatabou waits for the last persimmon to fall off the tree.

  7. Mr. Osomatsu S3 E19 still E19

    19. Are They Disbanding? / Sumo Stable / Dogs

    The Riceballs practice for the upcoming A-1 Grand Prix. A new recruit joins a sumo stable. Jyushimatsu and a dog switch bodies.

  8. Mr. Osomatsu S3 E18 still E18

    18. Just Don't

    Nyaa has a rather surprising crush that happens to be Osomatsu and literally everyone tries to stop her from making a terrible life choice.

  9. Mr. Osomatsu S3 E17 still E17

    17. The Riceball's New Routine / Imoni

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

  10. Mr. Osomatsu S3 E16 still E16

    16. SaneCop / Nanmaider

    Sanematsu has been resurrected to serve the public trust, protect the innocent, and uphold the law. Meanwhile, the sextuplets have become fully functional members of society, but Iyami and their father suspect something intergalactic at hand with the power of a strange pair of sunglasses.

  11. Mr. Osomatsu S3 E15 still E15

    15. Cosplaymatsu

    Another collection of miscellaneous skits, featuring Ichimatsu as a pessimistic policeman, Chibita trying out a new gimmick for his cart, Osomatsu receiving the death penalty, and Choromatsu's miraculous reincarnation as a mosquito.

  12. Mr. Osomatsu S3 E14 still E14

    14. Pond Smelt Fishing / Mortal Combat / Sparkle Phantom Stream

    Something mysterious is afoot during a fishing trip. A snowball fight breaks out. Choromatsu discovers something powerful.

  13. Mr. Osomatsu S3 E13 still E13

    13. Mr. HNYmatsu

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

  14. Mr. Osomatsu S3 E12 still E12

    12. AI

    The Riceballs are replaced with another AI when they fail to do their job and the sextuplets go to look for them.

  15. Mr. Osomatsu S3 E11 still E11

    11. Do it / Pizza

    The Riceballs prove their worth. The sextuplets try to decide on hypothetical pizza.

  16. Mr. Osomatsu S3 E10 still E10

    10. ZANSU / Werewolf

    Passion and love are on full display in a SASUKE-esque physical tournament. The Matsunos partake in the deduction game "Werewolf", with twists and turns along the way.

  17. Mr. Osomatsu S3 E9 still E9

    9. Sheeeh / Outfit / Let's Do Chores

    The Riceballs try to understand the meaning of "sheeeh". Totoko and Nyaa try out new threads. The Matsunos do chores.

  18. Mr. Osomatsu S3 E8 still E8

    8. To the South / Mt. Takao

    Dekapan and Dayon are drafted into a rousing aerial dogfight. Choromatsu takes the brothers on a day trip to Mt. Takao.

  19. Mr. Osomatsu S3 E7 still E7

    7. Tidbits Collection 3

    Another tidbits collection is here! Astronauts, yokai, and Governor Jyushimatsu await.

  20. Mr. Osomatsu S3 E6 still E6

    6. Touter / Optimization / Massage

    Iyami sells two salarymen short on a promiscuous shop. The Riceballs look for cats with Ichimatsu. Jyushimatsu gives Osomatsu a special massage.

  21. Mr. Osomatsu S3 E5 still E5

    5. Well, Yeah... / The Way Home

    Todomatsu and Karamatsu fall in love with a konbini employee and the boys go to a wedding.

  22. Mr. Osomatsu S3 E4 still E4

    4. Ichimatsu Radio / Unit Formed / Matsuyo's Trap

    Ichimatsu hosts his own in-home radio show. Totoko and Nyaa learn more about each other. Matsuyo punishes the boys for grabbing late-night snacks.

  23. Mr. Osomatsu S3 E3 still E3

    3. Dimwit Generation 2 / Estimated Value / Magic Angel Magi Lunatic Ichi

    Osomatsu, Karamatsu, and Jyushimatsu share their expectations for the new season. The Riceballs estimate the value of the sextuplets' friends, causing embarrassment. Magical powers are given to the wrong girl.

  24. Mr. Osomatsu S3 E2 still E2

    2. Dimwit Generation / Hatabou EATS / Let's Be Quiet at Night / Doctor T / Triangle Pop / Delivery

    Choromatsu, Todomatsu, and Ichimatsu discuss their expectations for the show's third season. Hatabou struggles to deliver an online food order. The sextuplets harass a touchy couple. Totoko plays an awful but beautiful doctor. Jyushimatsu and Karamatsu hang out in a konbini and find a strange ad. Two robots powered by AI arrive at the Matsuno home.

  25. Mr. Osomatsu S3 E1 still E1

    1. Replaced

    Osomatsu-san returns in an all-new family-friendly incarnation! Surely nothing will go wrong, right?

4th Season

2025 · 13 episodes · Last episode: 4 months ago

Join the Matsuno sextuplets and all the rest as they celebrate what will hopefully be a relaxing summer, if not for the fact that they're still broke and not even trying for employment.

Mr. Osomatsu 4th Season release dates →
  1. Mr. Osomatsu S4 E13 still E13

    13. The Matsuno Ten

    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.

  2. Mr. Osomatsu S4 E12 still E12

    12. The End of Summer

    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.

  3. Mr. Osomatsu S4 E11 still E11

    11. The Sextuplets Have the Same Dream

    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.

  4. Mr. Osomatsu S4 E10 still E10

    10. Iyami and the Shy Little Aliens

    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.

  5. Mr. Osomatsu S4 E9 still E9

    9. The Idiot Series

    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.

  6. Mr. Osomatsu S4 E8 still E8

    8. Ichimatsu and the Thieving Cat

    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.

  7. Mr. Osomatsu S4 E7 still E7

    7. Storytime, Jo

    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.

  8. Mr. Osomatsu S4 E6 still E6

    6. Fans and Time Machines

    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.

  9. Mr. Osomatsu S4 E5 still E5

    5. Rest / Fishing Hermit

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

  10. Mr. Osomatsu S4 E4 still E4

    4. Temple Festival

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

  11. Mr. Osomatsu S4 E3 still E3

    3. Thunderstorms and Crew Cuts

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

  12. Mr. Osomatsu S4 E2 still E2

    2. Watermelon Alien

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

  13. Mr. Osomatsu S4 E1 still E1

    1. It's Starting Again

    The sextuplets spend a lazy Tanabata with friends and neighbors.

Cast & crew

  • Shôei

    Himself

Mr. Osomatsu FAQ

When is the next episode of Mr. Osomatsu?

A date for the next episode of Mr. Osomatsu hasn't been announced yet. Follow Mr. Osomatsu in the Streambay app and you'll be notified as soon as a new episode airs.

When did the latest episode of Mr. Osomatsu come out?

The most recent episode of Mr. Osomatsu, Season 4 Episode 13 "The Matsuno Ten", aired on June 13, 2026.

How many seasons of Mr. Osomatsu are there?

Mr. Osomatsu has 4 seasons with 88 episodes in total.

When did Mr. Osomatsu first air?

Mr. Osomatsu first aired on TV Tokyo on October 5, 2015.

How do I get notified when new episodes of Mr. Osomatsu are released?

Download the Streambay app, follow Mr. Osomatsu, and you'll get a push notification the moment each new episode is released.

More like Mr. Osomatsu

  • Doraemon poster

    8.1

    S1 · E937 4 weeks ago

    Doraemon

    Synopsis: Robotic cat Doraemon is sent back in time from the 22nd century to protect 10-year-old Noby, a lazy and uncoordinated boy who is destined to have a tragic future. Doraemon can create secret gadgets from a pocket on his stomach, but they usually cause more bad than good because of Noby's propensity to misuse them.

  • Chibi Maruko-chan poster

    7.8

    S2 · E1551 4 weeks ago

    Chibi Maruko-chan

    Synopsis: Meet Maruko, a sweet schoolgirl with a hefty dose of curiosity (and occasional laziness!). She sails through life in a cozy town alongside her loving parents, grandparents, and sister. Maruko has a band of loyal friends, including her closest pal, Tama-chan, but her playful and doting grandpa is at the heart of it all. Life is never dull in this charming series.

  • TenPuru poster

    6.0

    S1 · E12 3 years ago

    TenPuru

    Synopsis: "I know! I'll become a monk!" Akagami Akemitsu has spent his days and nights absorbed in studying and part-time work in an effort to distance himself from his family, which is notorious as a household of philanderers. One day, he falls in love at first sight with a girl named Aoba Yuzuki, and suddenly he's constantly drowning in worldly desires. Hoping to fight back against his genes and live a more stoic life, he enters a temple... only to find out that it's a convent filled with gorgeous girls! So begins a new rom-com about the temple life of three adorable triplets and two beautiful freeloa...

  • Ninja Boy Rantaro poster

    6.8

    S29 · E5 5 years ago

    Ninja Boy Rantaro

    Synopsis: Rantarō, Shinbei and Kirimaru are ninja apprentices in the Ninja Gakuen, where first grade ones are called "Nintamas". They must learn everything a ninja must know, but as for our heroes, money, food or playing are more interesting. The series show the everyday adventures of our heroes.

  • The Angel Next Door Spoils Me Rotten poster

    7.7

    S2 · E12 4 months ago

    The Angel Next Door Spoils Me Rotten

    Synopsis: Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They've almost never spoken—until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favour, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes…

  • Atashin'chi poster

    8.4

    S3 · E10 7 months ago

    Atashin'chi

    Synopsis: A light hearted comedy based on the about the daily life of a "normal" Japanese family. The Tachibana family consists of a housewife mom, a salary-man dad, and teenager Mikan and Yuzuhiko.

  • REBORN! poster

    8.2

    S8 · E203 16 years ago

    REBORN!

    Synopsis: Tsuna, a timid junior high student, is a failure at school, sports, and social life. But everything around Tsuna has been completely changed when a baby called Reborn, who claims to be an Italian hit man from Vongola family shows up! Reborn was sent to groom Tsuna for his future life as a mafia boss of the family!

  • Case Closed poster

    8.0

    S1 · E1217 3 weeks ago

    Case Closed

    Synopsis: The son of a world famous mystery writer, Jimmy Kudo, has achieved his own notoriety by assisting the local police as a student detective. He has always been able to solve the most difficult of criminal cases using his wits and power of reason.

  • One Piece poster

    8.8

    S23 · E1181 1 month ago

    One Piece

    Synopsis: Years ago, the fearsome Pirate King, Gol D. Roger was executed leaving a huge pile of treasure and the famous "One Piece" behind. Whoever claims the "One Piece" will be named the new King of the Pirates. Monkey D. Luffy, a boy who consumed a "Devil Fruit," decides to follow in the footsteps of his idol, the pirate Shanks, and find the One Piece. It helps, of course, that his body has the properties of rubber and that he's surrounded by a bevy of skilled fighters and thieves to help him along the way. Luffy will do anything to get the One Piece and become King of the Pirates!

  • Ranma1/2 poster

    8.1

    S1 · E30 Today

    Ranma1/2

    Synopsis: Akane Tendo meets her new fiancé, Ranma Saotome, a martial arts prodigy with a twist: he magically transforms into a girl upon touching cold water.

  • SPY x FAMILY poster

    8.5

    S3 · E13 10 months ago

    SPY x FAMILY

    Synopsis: A spy, an assassin and a telepath come together to pose as a family, each for their own reasons, while hiding their true identities from each other.

  • Ranma ½ poster

    8.6

    S1 · E161 34 years ago

    Ranma ½

    Synopsis: Ranma Saotome, a teenage martial artist, and his father Genma travel to the 'cursed training ground' of Jusenkyo in China. There, despite the warnings of the Chinese guard, they fall into the cursed springs. From now on, whenever Ranma is doused in cold water, he turns into a girl and a cute, well-built redhead at that. Hot water changes him back into a man again, but only until the next time. To make matters worse, his father engages him to Akane Tendo, a girl who hates boys.

Never miss Mr. Osomatsu.

Download Streambay and follow Mr. Osomatsu. We’ll notify you the moment a new episode is released. It’s free, with no sign-up and no personal information required.

Coming soon to App Store Get it on Google Play
Mr. Osomatsu Get new episode alerts Get alerts