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The gaudy and untruthful Iyami comes to town, fashioning himself a salesman. After a botched robbery at the Matsuno house, he inadvertently becomes victim to teeth-regrowing medicine.

After harassing Dayon the fortune-teller, Iyami awaits three bad things to befall him that day, as per Dayon's prediction.

Iyami runs a shady clinic, but is pushed into failure by Dekapan's much more ethical office. To get revenge, him and Chibita cook up a scheme involving a transformation potion.

Chibita is training to become Prima Donna in Iyami's ballet studio's big show. When one thing leads to another and he's ousted from his role by Osomatsu, Chibita throws away his heart (literally) and causes mischief for the big recital.

Dekapan visits the sextuplets with his daughter -- not a human, but a pig. Osomatsu and Choromatsu cook up a scheme to trick Chibita, who has fallen in love with her not realizing what she truly is.

After dining and dashing for the umpteenth time, Iyami plans a scheme to fake his death and use the grievance money to skip town.

Chibita finds an abandoned baby, but runs into financial difficulties alongside the discovery that the mother wants her baby back.

On his way to becoming a first-grader, Chibita is caught between the expectations of being a good boy or being a troublemaker. With the help of Iyami's newly-developed personality-switching hat, he keeps a relatively clean appearance, but trouble ensues once he takes it off.

Iyami and Chibita sell used junk, but when they buy a wooden cabinet from the Matsunos that's worth a fortune, a battle ensues for who gets to claim the cash.

A candle-watching shinigami comes to town, and Iyami enlists his help in culling Osomatsu, who has recently come down with a life-threatening illness.

Iyami and Chibita, prison inmates, make a grand escape from their sentence, but only one problem is in their way, aside from the police on their tail: they're chained together at the waist.

Iyami, an amateur author who lives in poverty, strikes it rich when he sends in manuscripts that expose the many strange things about the people in town.

Lord Chibita, along with second-in-command Iyami, set up their Edo period-style headquarters in town, with the young Lord falling head-over-heels for Totoko.

Osomatsu and Choromatsu get kidnapped and replaced by aliens in a plot to take over the world, and it's up to the family to find out who the real kids are.

After Iyami stops Osomatsu from being hit by a car, he mooches off the Matsunos' generosity under the overabused pretense that he was a hero to their son.

Chibita, along with his scientist uncle, hatch a plan to shrink the sextuplets to flea-size so that he's no longer shorter and can pick on them for a change.

After getting framed for one of Iyami's tricks, Hatabou tries to stand up for himself with the help of shrine god Dekapan's courage-fortified water.

In a retelling of the O. Henry tale "A Retrieved Reformation", Chibita, a safecracker recently released from a three-year-sentence, vows to never crack a safe again. His promise is tested, however, in a dangerous situation where his skills are needed most.

Dekapan invents a mysterious liquid that causes anyone doused with it and who bumps heads to switch minds, leading to all sorts of chaos for the neighbors and their plans.

Iyami and Chibita mix up two fake watermelons: one full of valuables to give to the yakuza, and the other a bomb to give to the Matsunos as revenge for the destruction of Chibita's mosquito colony.

Paperboy Chibita makes friends with a notorious thieving cat, but trouble arises when the kitty must learn to be on the straight-and-narrow for his new human pal's health.

In this retelling of "Shane", Chibita, a wandering gunslinger in the Wild West, must protect the Dekapan Ranch from the marauding Matsunoki family and their nefarious benefactor, Iyami.

The ultra-rich Iyami's diamond dentures go missing, and it's up to Detective Hatabou to find the lost jewels and the culprit behind the thieving.

Totoko becomes infected with personality-altering bacteria after Iyami sneezes on her, leading Osomatsu and Choromatsu, along with Dekapan, to find out the secret to Iyami's nastiness by taking a "Fantastic Voyage"-style trip inside his body.

After Iyami steals all of an oden vendor's stock and pins it on oden-loving Chibita, the tortured boy sets his aim on the sextuplets and Iyami in a slasher-style game of revenge.

Because of their lower income and not enough family time, the Matsunos try to convince their tobacco-addicted patriarch to quit smoking. But when the simple act of stopping isn't enough, they enlist the help of Iyami and Chibita and their barbarous anti-smoking program.

Dekapan and Hatabou, two farmers on an island, make offerings to a stone god, and are shunned for being hard workers by the rest of the islanders. When a message from the god comes through to Hatabou to build a boat, the lazy villagers laugh it off. But could such a thing be true?

The brothers, Chibita, and Totoko go camping in the sticks, and run afoul of lecherous ascetic Iyami who will stop at nothing to bite Totoko's rear end.

Iyami, who starts an insurance company with the intention of frauding his unlucky customers out of their money, has his scheme put to the test when he bargains the Matsunos a new home if a typhoon hits Tokyo.

Chibita, having been picked on by the sextuplets one too many times, learns ninjutsu from Dekapan up in the mountains. But when Iyami wants in, as well as Dekapan finding out that Chibita plans on using his skills for revenge, a battle unfolds to decide who becomes the new disciple.

In a secluded mountain village in old Japan, a poverty-stricken Chibita is graced by the presence of the spirit of a rose in a garbage dump who arose from his generosity.

New girl Kumiko (a parody of idol singer Kumiko Goto) moves in next-door to the sextuplets, and spurs jealousy in Totoko for taking all the boys' eyes away from her. Alongside Totoko's woes, Kumiko's dad resembles her dog, and that he's the superior to Mr. Matsuno at his company.

At a circus, Iyami and Chibita are death-defying trapeze artists. Ringmaster Dekapan stirs up trouble between them, with his daughter Totoko caught in a love triangle that's made worse when Chibita breaks his leg during an act gone wrong.

Mr. Matsuno calls it quits as the father to his six rambunctious sons, thinking that he's been mistreated. In his misplaced sorrow, he takes up interim son Chibita as a replacement.

Iyamitarou, the scheming minister of Emperor Dekapan, attempts to assassinate ruling Princess Totoko so that his next-in-line Prince Hatabou can ursurp her. Under the guise of a competition for someone to protect her, a kidnapping plan unfolds, but would someone like Princess Totoko need a guard?

Chibita becomes the masked vigilante Chibita Oden X, with Iyami wanting to get into the hero game for purely reputation-based reasons. When a fish with golden scales is a target of Dayon's mob gang, the two crimefighters must put an end to the cat-and-mouse game, even if Chibita's life is on the line.

In a retelling of Robert Louis Stevenson's classic tale, Chibita takes on the role of Jimsy as he boards a ship searching for Treasure Island. Along the way, he meets the crew, encounters pirates, and runs afoul of cannibals.

Iyami and Chibita, after seeing how elderly people are treated with respect, pretend to be a poor old couple to take advantage of the Matsunos, and then rob them for all they're worth.

In a retelling of the tale of the 47 Ronin, Chibitanosuke gets revenge on Iyaminosuke for the death of his Lord Hatabou and the fall of his Lordship's kingdom.

The sextuplets, under the threat of their dad losing his job, must watch his boss' violent sleep-deprived son, but the infamous Buck-Toothed Kid, a wanted serial burglar, just so happens to strike up Osomatsu's house during this ordeal.

Chibita, a New York bellboy working at the Dayon Hotel, encounters the lovely yet suicidal singer Totoko and tries to convince her to play a show for the guests booked over the holidays when crooner Frank Hatabou's flight is delayed. Meanwhile, self-professed famous Japanese saxophonist Iyami scams his way into a luxury stay.

Scammer Iyami takes apprentice swindler Chibita under his wing to teach him the ins and outs of getting people to buy fraudulent goods, but once Chibita sees the effect Iyami's tactics have on others, his conscience takes the wheel.

A turn-of-the-century auto race unfolds in a newly-westernized Japan, with the grand prize being Totoko of the Yotsui Conglomerate's hand in marriage. Naturally, Iyami plans to cheat his way to the finish line.

French director Iyami and his cameraman Chibita travel to Japan to film a documentary. However, Iyami's orientalist and otherwise racist perspectives influence the direction the film takes, turning the shoot into a stereotyped disaster.

The sextuplets, Iyami, and Chibita go skiing and get caught up in adventures involving a black bear and her cub, a race to impress pro skiier Totoko, and a run-in with an onibaba in the mountains.

In a parody of prohibition-era gangster films, Detective Chibita is sent to destroy an illegal oden trade operation, and uncovers a conspiracy behind the people eating and bootlegging what once was his favorite treat.

Iyami, having remembered that he made Chibita purchase a lottery ticket a year ago, learns that he has a winner on his hands. When he mouths off too much about his earnings, Totoko schemes to marry him, but his little buddy wants in on the wealth too. Their only problem is that the ticket has one day left to be cashed out.

After their dad decides it's time for them to learn some manners, the sextuplets are sent off to do zen training at Monk Iyami's temple, but get into trouble there too. When a mysterious drifter visits, the boys' mischief-making is put to the test.

Iyami is a police officer who is not very good at his job, instead opting to take advantage of his role as the long arm of the law to find any excuse to not do work. When Osomatsu is kidnapped, however, Iyami must buck up and be the most bare-minimum cop he can be.

During the stone age, Chibita finds a baby dinosaur that he wants to keep as a pet. But one thing leads to another, and he sends it away. Many years have gone by, and Chibita is now the wealthy owner of a successful omelette shop, but he's lost his kindness. What's the difference between dinosaurs and men if kindness is gone?

After the Matsunos accidentally stay at a ¥10,000 per person inn thinking it was for one zero less, they feign a lifestyle of the rich and famous, unaware that two criminals are hiding out there, and are wanted by Detective Iyami.

After Iyami's dishonesty spurs trouble for Dekapan's Restaurant, the Hatabou Research Institute creates an explosive lie-detector belt that's forced onto the serial liar. But when Iyami gets the town into warzone-level trouble for his honesty, Dekapan must stop the danger he has inadvertently caused.

Chibita, the son of Iyami and Mr. Matsuno's boss, must decide on which of the two will get a promotion to Section Chief through a game of golf. Luckily for Osomatsu, Choromatsu, and Todomatsu, they take the day off school to fill in for their dad.

A wealthy woman becomes engaged to dirt-poor Iyami, who's asked about where he lives. Ashamed to say he lives in a shack under the bridge, Iyami asks Osomatsu and his brothers to rent out their house for ¥100,000 in the hopes that her wealth can pay them back.

After a failed auto robbery on a rickety bridge totals Mr. Matsuno's recently-acquired lemon and Iyami's expensive French import, Osomatsu and the rest are stranded at a cliffside restaurant with dwindling rations and no way out.

Chibita, a fantastically rich young man, orders the infrastructure and economy of the town to suit his whims. When he can't force the entire town to sell oden at every store and shop, trouble befalls him, and a Cinderella story unfolds for Iyami.

Iyami, flying as captain of a shoddy commercial jet with the promise of inheriting the airline, must avert a hijacking and keep all his passengers safe with the anticipated arrival to Hawaii.

The Matsunos are in the red, and decide to take up an offer from billionaire Dekapan to sell off Osomatsu to cover their debts. However, since Dekapan was never a father, his means of trying to raise a 10-year-old are juvenile at best.

An upcoming election between Dayon and Iyami looks like it's over before it's even begun, with Iyami hiring hitman Joe Hatabou to take out his rival. However, when Iyami becomes President-Elect, Joe enacts a "Golgo 13"-style revenge on his soon-to-be administration and a hired mob.

Chibita gets into R/C model planes after seeing the sextuplets' new expensive toy bomber. However, he's barred from the model shop and has to pay Osomatsu to play with theirs. After an accident causes the sextuplets' R/C to break, the kids chuck it out, leading Iyami to repurpose it into a new way for Chibita to get his revenge.

Chibita falls head-over-heels in love with Hatabou's cousin Jajako, but likes way too many of the things she hates, including oden. In order to be just friends with her, Chibita tries his hardest to give up his one true love for someone who isn't food.

Mr. Matsuno loses his big bonus from work, and all suspicions point to Iyami, who has seemingly turned over a new leaf. The sextuplets start shadowing him, looking for any signs of their dad's hard-earned cash.

Professor Iyami and his lab assistant Chibita cook up a 3D color-copy machine (otherwise known as a cloning machine for you geeks) that they take for a test drive with a Chibita clone to confuse the sextuplets. When curiosity gets the better of the six, they break into the lab and accidentally give Iyami fuel for the fire to clone them.

In the first part of this intergalactic parody of "Journey to the West", Chibita-Son Goku causes havoc in the heavens as a means to suit his little monkey ego. When he takes a leak on Boddhisatva Totoko's fingers after trying to escape the world in the Buddha's Palm, he's imprisoned under a mountain, with only the Golden Cicada's newest reincarnation, Iyami, to save him.

In the second part of this intergalactic parody of "Journey to the West", Iyami-Sanzou sets off with his band of weirdos to steal Boddhisatva Totoko's sutras in the hopes he can start his own religion, unaware that she'd pawned off the scrolls containing them as part of a loan.

This animated tale is an investigation into the true meaning of education. What lies forth is the complicated relationship between Chibita, an incessantly-doting and borderline romantically-attracted student, and his teacher, Iyami, who gets tremendous pleasure from his students' suffering.

Prince Chibiru, the young ruler of the Kingdom of Odenwanker, comes to Japan as part of a political trip. When his royal duties are too exhausting, he gives the slip and disguises himself as a normal boy, hangs out with the Matsunos, and gets caught up in a pickpocket scheme.

Mr. Matsuno and the sextuplets suffer pratfall after pratfall when they take up Iyami and Chibita's purportedly-cheap beach house as a day-trip rental, only to get nickeled and dimed at every opportunity.

Mr. and Mrs. Matsuno take advantage of de-aging magic that turns them back into teenagers, but neither of them know each other's secret. Mom starts a career as idol singer Matsuko, while Dad masquerades as a less-talked-about relative. But what are their boys to do without their parents around, at least as their good Mom and Dad selves?

In this parody of the classic boxing manga "Ashita no Joe", oden vendor Chibita takes up a career in boxing, with his anticipated rival being the constantly-gaining-and-losing-weight champ "Piston" Iyami.

A mom-and-pop sales-off begins for Mr. and Mrs. Matsuno, when the family learns about Mrs. Matsuno's success in door-to-door sales and their dad's failure. The sextuplets get caught in the middle of their parents' work-focused spat, with an "I Love Lucy"-style (literal) house divided.

In a parody of "Honeybee Hutch" and various Aesop bug fables, honeybee Chibita is searching for his lost mother, but encounters the dangers of nature, including Dayon the Spider, who plans to have him as a meal, alongside Iyami the Katydid and the Matsuno Ants.

Monks of Dekapan's Riddle Temple, Iyami and Chibita, go about town stumping the locals with riddles, with an incorrect answer resulting in the recipient geting pantsed. Their match seems to be made, however, when Totoko proves her worth in correct riddle solutions.

Inspector Chibita, on the hunt for Phantom Thief Dayon, teams up with the supposed "great detective" Iyami and his Junior Detectives Club to stop a planned thievery at Dekapan's manor for the Dragon's Drool, the shiniest sapphire in all of Asia.

40 years in the future, the sextuplets are 50-year-old salarymen working for Dekapan's pharmaceutical company. When their boss puts on airs to develop an anti-aging rejuvenation drug, trouble is afoot when the rest of the colorful cast wants in on such a lucrative opportunity.

The Dekapan Film Company is losing sales to companies with much higher-quality stock than what they supply. Salesman Iyami is hired to promote the film stock through a contest to catch him smiling, which leads to encounters with public nudity, BDSM, and an incurable illness, alongside mental deterioration from all involved.

A robot vacuum invented by Dekapan that serves to identify and "eat" trash has its wires crossed, leading to its AI assuming anything discussed negatively to be trash. Violence and destruction ensues in a kaiju movie pastiche.

God (Dekapan) comes to Earth to see how his creations are doing. In the mood for some action, he gives Chibita a mysterious phone card to call him up and ask for anything his heart desires. Naturally, if you're a little broke kid with tons of new stuff from out of nowhere, word travels fast.

In a retelling of "The Kid", Chibita, a foundling raised by the poor Dekapan, is visited by a woman who claims to be his mother during his work as a shoeshine boy. However, this mystery lady will stop at nothing to have her boy back, even resorting to kidnapping.

Chibita, taking up vigilantism as Batman (that's what the "B" on his mask stands for), observes Iyami, who's trying to get into prison before the winter as a loophole for a warm place to stay. However, all of Iyami's crimes become good deeds within greater context.

Osomatsu is sent to the capitalistic and hotel-like Dayon Hospital for an apple in his throat, but gets into trouble with the nurses who are supposed to be taking care of him. Meanwhile, would-be burglar Iyami is drafted into posing as the hospital's director, a ruse that works until he's forced to treat an already-dead yakuza boss.

Iyami, having accidentally awoken the spirit of vengeful samurai Chibita Juurozaemon Mitsutomo in a formerly-peaceful good night's dream, must play by "Elm Street" rules if he wants to survive: don't fall asleep. Unfortunately for him, the restless warrior has fallen for Totoko, with her seemingly under his ghostly power.

Iyami, the scummy ringmaster of a failing circus, gives away lion Tama to the Matsunos as part of a fake lottery. When the big cat is more than the family can handle, Tama's only pal, the oft-abused clown Chibita, comes to stay with his buddy, causing ideas of how to get rid of them both to transpire.

In a parody of the long-running period drama based on the life of the titular historical figure, Hatabou, taking the role of Tokugawa, hatches a plan to stop the crooked magistrate Iyami from conducting illegal business in a town that's suffering too much under his weight.

In a clip-show episode, the Nanmaiders return for a full-scale invasion, but need a human as a judge of character. Iyami is abducted, and, through clips from "Hatabou Musters Up Courage", "An Honest Iyami is Dangerous!", "Genius Iyami's Transformation Potion-zansu!", and "God, Please Make My Wish Come True!", it doesn't look good for the innocent citizens of planet Earth.

Former Diet members Iyami and Chibita are suffering through poverty, with a slim chance of getting re-elected. When regular campaigning doesn't seem to work, the two partner up for one last get-rich-quick scheme against the Matsunos.