Osomatsu-kun
Season 1
Not Rated
The adventures of Iyami, a con artist who's always looking for a quick buck, and Chibita, his short-statured kid partner-in-crime, as they make trouble for their town and constantly cause friction with the Matsuno sextuplets, a clan of rowdy identical 10-year-old brothers led by the eldest, Osomatsu.
Where to Watch Osomatsu-kun • Season 1
86 Episodes
- Transformation! Chibita's Amazing Hat
E8Transformation! Chibita's Amazing HatOn 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. - Chibita the Safecracker!
E18Chibita the Safecracker!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. - Iyami's Body is Full of Germs!
E24Iyami's Body is Full of Germs!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. - Dad Can Quit Smoking
E26Dad Can Quit SmokingBecause 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. - The Fairy Tale of Outie Island!
E27The Fairy Tale of Outie Island!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? - Ninja Chibita is Here!
E30Ninja Chibita is Here!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. - Totoko is the Number One Idol-zansu!
E32Totoko is the Number One Idol-zansu!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. - The Tomboy Princess of Dekapan Castle!
E35The Tomboy Princess of Dekapan Castle!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? - It's Tough Being a Champion of Justice-zansu!
E36It's Tough Being a Champion of Justice-zansu!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. - Babysitting is Hard Work-zansu!
E40Babysitting is Hard Work-zansu!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. - White Christmas of the Skyline
E41White Christmas of the SkylineChibita, 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. - The Hot-Blooded Detective Chibita-zansu!
E46The Hot-Blooded Detective Chibita-zansu!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. - Wealthy from the Lottery-zansu!
E47Wealthy from the Lottery-zansu!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. - Even the Sextuplets Become Good Boys at a Zen Temple!
E48Even the Sextuplets Become Good Boys at a Zen Temple!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. - The Arrogant Police Officer-zansu!
E49The Arrogant Police Officer-zansu!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. - Dinosaur Egg Omelet-zansu!
E50Dinosaur Egg Omelet-zansu!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? - What Happens at the Inn Stays at the Inn-zansu!
E51What Happens at the Inn Stays at the Inn-zansu!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. - An Honest Iyami is Dangerous!
E52An Honest Iyami is Dangerous!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. - Brown-nosing with Golf-zansu!
E53Brown-nosing with Golf-zansu!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. - Iyami-san's Wedding!
E54Iyami-san's Wedding!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. - The Super-Rich Chibita-sama-zansu!
E56The Super-Rich Chibita-sama-zansu!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. - Sheee! A 50,000 Yen a Day Allowance!
E58Sheee! A 50,000 Yen a Day Allowance!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. - Hatabō is a Champion of Justice-dajou!
E59Hatabō is a Champion of Justice-dajou!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. - The Revenge of Flying Chibita-zansu!
E60The Revenge of Flying Chibita-zansu!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. - Which is More Important, Oden or Your First Love?
E61Which is More Important, Oden or Your First Love?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. - Sextuplets Squared!
E63Sextuplets Squared!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. - Munchkin Monkey Chibita's Big Adventure!
E64Munchkin Monkey Chibita's Big Adventure!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. - Totoko, the Selfish Buddha!
E65Totoko, the Selfish Buddha!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. - Iyami the Teacher's Throbbing Story!
E66Iyami the Teacher's Throbbing Story!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. - Life is Tough for Prince Chibita!
E67Life is Tough for Prince Chibita!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. - Using Magic to Become Younger-zansu
E69Using Magic to Become Younger-zansuMr. 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? - Mom's a Born Saleswoman?!
E71Mom's a Born Saleswoman?!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. - Honeybee Chibita's Violin
E72Honeybee Chibita's ViolinIn 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. - Totoko, the Riddling Genius!
E73Totoko, the Riddling Genius!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. - Detective Iyami versus Phantom Thief Dayon!
E74Detective Iyami versus Phantom Thief Dayon!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. - Iyami, 40 Years Later-zansu!
E75Iyami, 40 Years Later-zansu!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. - Deformed in Front of the Camera-zansu!
E76Deformed in Front of the Camera-zansu!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. - God, Make My Wish Come True!
E78God, Make My Wish Come True!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. - The Mother in Chibita's Imagination
E79The Mother in Chibita's ImaginationIn 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. - Iyami's Hibernation Strategy-zansu
E80Iyami's Hibernation Strategy-zansuChibita, 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. - Raking It In As a Quack!
E81Raking It In As a Quack!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. - I Don't Want Nightmares-zansu!
E82I Don't Want Nightmares-zansu!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. - Lions Are Scary When Angry-zansu!
E83Lions Are Scary When Angry-zansu!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. - Hatabou in Mito Koumon!
E84Hatabou in Mito Koumon!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. - The Aliens Have Come Again!
E85The Aliens Have Come Again!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. - Iyami's Surefire Election Strategy-zansu!
E86Iyami's Surefire Election Strategy-zansu!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.
