Mr. Osomatsu Episode Rating Graph

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.

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.

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.

Already angered over the siblings gambling instead of 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.

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).

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.

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.

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.

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.

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.

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.

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.

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.

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.

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. Feeling he should return to a more innocent time, the boys give their old man a masterclass in being a virgin, albeit with no success. 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?