Seasons & episodes
S1 · E18Girlymatsu-san 3 / Iyami's Counterattack 2016-02-08 · 25 min
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.
S1 · E19Period Drama Osomatsu-san/Choromatsu Rising 2016-02-15 · 25 min
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.
S1 · E20Teach Me, Hatabou/School Matsu/Iyami's School 2016-02-22 · 25 min
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.
S1 · E21Mahjong/Godmatsu 2016-02-29 · 25 min
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.
S1 · E22The Star of Hope, Todomatsu/Final Sheeeh 2016-03-07 · 25 min
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.
S1 · E23Kerosene/Dayon Tribe 2016-03-14 · 25 min
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.
S1 · E24Totoko's Huge Panic/Letter 2016-03-21 · 25 min
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.
S1 · E25Osomatsu-san, Such as It Was 2016-03-28 · 25 min
The brothers quickly abandon their new lifestyles upon learning they have been invited to a baseball tournament for the finale.
S2 · E1Mr. Osomatsu Returns! 2017-10-03 · 25 min
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.
S2 · E2Celebrate! New Employment!! / Super Detergent 2017-10-10 · 25 min
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).
S2 · E3Cavematsu-san / Choromatsu and Ichimatsu / Totoko's Challenge 2017-10-18 · 25 min
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.
S2 · E4Cavematsu-san 2 / Matsuzou and Matsuyo 2017-10-24 · 25 min
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?
S2 · E5Osomatsu-san in the Summer 2017-10-31 · 25 min
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.
S2 · E6Iyami Has Arrived / I Want Friends, Jo 2017-11-07 · 25 min
Iyami mooches off the sextuplets after falling on hard times and Hatabou searches for a friend.
S2 · E7Cavematsu-san 3 / Sangokushi-san / Osomatsu and Todomatsu 2017-11-14 · 25 min
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.
S2 · E8Synthesis / Jyushimatsu and the Dolphin / Totoko and Nyaa 2017-11-21 · 25 min
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.
S2 · E9Campaign Starting Now! / Game Center Iyami 2017-11-28 · 25 min
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.
S2 · E10Karamatsu and Brother / New Employee Totoko / Dubbingmatsu-san 2017-12-05 · 25 min
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.
S2 · E11Chibita's Revenge 2017-12-12 · 25 min
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.
S2 · E12Totoko and Nyaa 3 / The Eitaro Family / Give Them Back / Totoko and Nyaa 4 2017-12-19 · 25 min
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.
S2 · E13Year-end 2017-12-26 · 25 min
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.
S2 · E14Weekly Drama Serial - Sanematsu-san: Episode 9 / UMA Expedition Team / The Choromatsu Incident 2018-01-09 · 25 min
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.
S2 · E15UMA Expedition Team 2 / Jar / Karamatsu Taxi / Totty Quiz 2018-01-16 · 25 min
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.
S2 · E16Space Pirates / Gourmet Round / The Cutie Next Door 2018-01-23 · 25 min
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.