Season 3
October 12, 2020
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?
25 Episodes
Episodes
Replaced
October 12, 2020
Osomatsu-san returns in an all-new family-friendly incarnation! Surely nothing will go wrong, right?
Dimwit Generation / Hatabou EATS / Let's Be Quiet at Night / Doctor T / Triangle Pop / Delivery
October 19, 2020
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.
Dimwit Generation 2 / Estimated Value / Magic Angel Magi Lunatic Ichi
October 26, 2020
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.
Ichimatsu Radio / Unit Formed / Matsuyo's Trap
November 2, 2020
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.
Well, Yeah... / The Way Home
November 9, 2020
Todomatsu and Karamatsu fall in love with a konbini employee and the boys go to a wedding.
Touter / Optimization / Massage
November 16, 2020
Iyami sells two salarymen short on a promiscuous shop. The Riceballs look for cats with Ichimatsu. Jyushimatsu gives Osomatsu a special massage.
Tidbits Collection 3
November 23, 2020
Another tidbits collection is here! Astronauts, yokai, and Governor Jyushimatsu await.
To the South / Mt. Takao
November 30, 2020
Dekapan and Dayon are drafted into a rousing aerial dogfight. Choromatsu takes the brothers on a day trip to Mt. Takao.
Sheeeh / Outfit / Let's Do Chores
December 7, 2020
The Riceballs try to understand the meaning of "sheeeh". Totoko and Nyaa try out new threads. The Matsunos do chores.
ZANSU / Werewolf
December 14, 2020
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.
Do it / Pizza
December 21, 2020
The Riceballs prove their worth. The sextuplets try to decide on hypothetical pizza.
AI
December 28, 2020
The Riceballs are replaced with another AI when they fail to do their job and the sextuplets go to look for them.
Mr. HNYmatsu
January 4, 2021
Salmon and Pickled Plum look back on the last two-and-a-half seasons of the series in a clip-show episode.
Pond Smelt Fishing / Mortal Combat / Sparkle Phantom Stream
January 11, 2021
Something mysterious is afoot during a fishing trip. A snowball fight breaks out. Choromatsu discovers something powerful.
Cosplaymatsu
January 18, 2021
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.
SaneCop / Nanmaider
January 25, 2021
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.
The Riceball's New Routine / Imoni
February 1, 2021
The Riceballs test out some comedy material. Dekapan hosts an imoni-cooking competition.
Just Don't
February 8, 2021
Nyaa has a rather surprising crush that happens to be Osomatsu and literally everyone tries to stop her from making a terrible life choice.
Are They Disbanding? / Sumo Stable / Dogs
February 15, 2021
The Riceballs practice for the upcoming A-1 Grand Prix. A new recruit joins a sumo stable. Jyushimatsu and a dog switch bodies.
Choromatsu Memorial Hall / Ear Cleaning / Persimmons
February 22, 2021
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.
Is This Okay? / Greenroom / Totoderella
March 1, 2021
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.
I Found This / Wannabe Detectives / Hide-and-Seek
March 8, 2021
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.
Contract Renewals / Shopping / Friend
March 15, 2021
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.
New Osomatsu Returns / A-1 Grand Prix
March 22, 2021
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.
Bored
March 29, 2021
The sextuplets wander around town in search of things for sakura viewing, but...
