Osomatsu-kun Season 1, Episode 1: Leave the House-Sitting to the Dog / The Beggar Robot

Iyami's Fishing Pond / The 40 Thieves

Iyami attempts to con Osomatsu, Choromatsu, and Chibita out of their hard-earned money at his fishing pond with a rare fish that gives them all their money back if caught. / Chibita plays the role of the leader of a gang of thieves who target Osomatsu for discovering their misdeeds.

25 min

Chibita's Stray Cat Strategy / A Thief Fell From The Sky

Totoko's grandpa enlists the help of the sextuplets to stop Chibita and his gang of feral cats from attacking the fish store. / Iyami and Chibita fly around town in a helicopter to cause mischief amongst the locals.

25 min

The Helpful Robot / Iyami's Cleaning Store

A housework robot (shaped like Chibita) causes havoc amongst the Matsuno family when he malfunctions. / Iyami runs a scam out of a laundromat to catastrophic failure.

25 min

There's the Shortcut / Laughing Costs 1 Million Yen!

Iyami and Chibita feign construction workers to scam the sextuplets out of their money by making a paid shortcut to school. / A camera company offers a cash prize for whoever can photograph a face-making man without any made faces, leading the sextuplets and Chibita to try to claim the reward.

25 min

Osomatsu Targeted / Chibita's Martial Arts

Spooky things seem to be happening around town, leading the sextuplets to discover a secret of their own appearance. / Chibita challenges the brothers to a martial arts battle.

25 min

The Magical Tea Kettle / The Angry Superman

Iyami scams the sextuplets with a magic kettle, actually utilizing Chibita as the secret inside. / Chibita and the shapely-mouthed Bokeo get revenge on the sextuplets for harming their frog friend.

25 min

It's All Fine Until You Take Off His Hat / Boar Hunting

Chibita appears alongside Totoko wearing a strange hat that, when removed, changes his temperament from good to bad, leading to chaos amongst the Matsunos. / Chibita goes boar hunting and encounters the sextuplets and Iyami.

25 min

Iyami the Dentist / Defeat the Mosquitoes' Enemies!

Osomatsu visits dentist Iyami's office for a toothache, but due to an unpaid bill, assists him in fixing up the mouth of Dekapan's crocodilian "son". / After Chibita's mosquito colony is destroyed by the sextuplets, he and Iyami create a watermelon-shaped bomb to enact revenge.

25 min

I am Chibita, The Giant! / Counterattack Operation Pepen

Chibita, with the help of his scientist uncle, devise a plan to shrink the sextuplets down to flea size so that he will no longer be shorter than them. / A roaming minstrel and Chibita team up to enact revenge on the sextuplets with their army of cats.

25 min

Osomatsu-kun Gets Adopted / Chibita the Invisible Man

A wealthy couple pay the sextuplets' parents to loan one of their boys out to them as a paid son, but the love they have for Osomatsu and Choromatsu is much too young for them. / Chibita and the brothers drink an invisibility potion and cause mischief.

25 min

The Cutie Who Moved Close By / Rampage of the Smog Family

A new girl moves into the neighborhood, and the sextuplets try to put the moves on her while confusing her dad for their eerily-resembling dog. / A crime family that Chibita is a part of has business with the sextuplets, climaxing in a rainy nighttime brawl.

25 min

The Opposite-Head Experiment / Iyami the Designer

An apple-headed doctor conducts an experiment on the sextuplets, but his seemingly strange mood swings are more than meets the eye. / Iyami works as a bespoke clothing designer for the Matsunos, but suspicions are aroused when the family's Children's Day koinobori goes missing.

25 min

Iyami's Ninja Methods / Keke, I'm the Class President!

Ninjutsu master Iyami enlists the help of his disciples Chibita and Moguramaru to get revenge on the sextuplets. / Chibita attempts to thwart Totoko's run as Class President.

25 min

Chibita, Did You Turn Into a Dog? / The Suspicious Transfer Student

Chibita takes the place of Dekapan's trained dog "son" when ringmaster Iyami buys him for his circus. / A student with a padlocked hat transfers to the sextuplets' school, leading to a mystery of his identity.

25 min

The Time Machine Sends Us to the Stone Age / The Junk Strategy

The Matsunos take a trip in a wacky inventor's time machine to the age of the dinosaurs, where they meet their friends' prehistoric counterparts. / Neighbors Iyami and Chibita go to war with the Matsunos over trash disposal.

25 min

Chika-chan and Chibita / Don't Wake The Sleeping Child

Chibita falls in love with snooty Chikako, but the sextuplets' faulty attempts at woo cause more than trouble for the little lovebirds. / The sextuplets watch over a sleepwalking boy who becomes violent when awoken.

25 min

Suspicious Presents / See Doctor Chibita For Tooth Decay

A Santa Claus-like figure arrives in the town, in actuality a persona put on by burglar Moguramaru to hide stolen goods. / Deranged dentist Chibita enacts periodontal violence against people with better teeth than him.

25 min

Is Chibita a Good Boy? / Chibita's Girlfriend

The sextuplets become victims of a vindictive clothesless Chibita, who tries to steal their clean clothes. / The Matsunos offer Dekapan a place for his pig "daughter" to stay, but Chibita falls in love with her without knowing she isn't human.

25 min

Iyami the Rude Guest / Chibita the Sailor

The sextuplets' father invites work friend Iyami over for dinner, but chaos ensues in response to his disruptive behavior. / Chibita attempts to sneak onto an ocean liner under the guise of a sailor.

25 min

Iyami's French Eaves / Dad Ran Away

Iyami runs a "genuine" French restaurant with Chibita, and receives criticism for his poor service and lack of research. / Mr. Matsuno resigns from his position as patriarch, and runs away.

25 min

Iyami's Diamond Dentures / Forward! Cat Troopers

Ultra-rich Iyami accidentally breaks his bejeweled dentures, so with the help of his assistant Chibita, he tries to pin the blame on the sextuplets. / Chibita's army of cats ransack the town's oden vendors of his most favorite food, leading Iyami and the sextuplets to take him out.

25 min

The Suspiscious Mynah Bird / Chibita's Lullaby

A mynah bird settles into the sextuplets' birdhouse village, but is harboring a less-than-desired guest in its home. / Chibita becomes a foster mother for a foundling.

25 min

Get That Lousy Fugitive! / I'm Rich, da jo

25 min

The Super-Cheap Old Man / Hoe Hoe, Mountain Climbing

25 min

The Fortune-Telling Machine from France / We'll Do Anything in Six Rounds!

25 min

Dad's Robot Strategy / Stop the Lying Duo!

25 min

Rickety Camp Riot / Be a Security Guard, Osomatsu-kun!

25 min

The Sextuplets Become Seven / Promotional Sales War

25 min

Go For It, Kumamatsu / Chibita's a Pet

25 min

Goronyan, the Meteorologist / Lonely Kappataro

25 min

Say Not the Truth / The ¥100,000 Ghost Phone

25 min

Iyami's Fake Beach House / Chibita's Big Circus

25 min

Chibita Walks the Tightrope / Osomatsu is a Bad Kid

25 min

I Hate This Naughty Dog! / The Cries of a Child Summon the Ant Troops

25 min

Chibita's Oden Neurosis / Trick the Tanuki!

25 min

Papa, Please Don't Smoke / Chibita Soars Through the Skies

25 min

Only Chibita Has Filial Piety / Golf is Expensive, jo

25 min

Dekapan's Big Horse Race

25 min

It's a First-Class Car Race, jo / Chibita the Zookeeper

25 min

A Fight Over a Flower / Were You Kidnapped, Osomatsu-kun?

25 min

I've Quit Safecracking!

Safecracker Chibita, released on parole, mustn't break into another safe or else he'll be back behind bars. But what will happen when he must use his talents to save a life?

25 min

The Grand Prix Elimination Race / The Search for Chibita's Parents

25 min

Let's Try to Ski for Free

25 min

Please Return My Bonus! / Go For It, Kumamatsu

25 min

The Arsonist Loves Oden / Fighting Robot Rampage

25 min

A Dreadful Christmas Season-zansu / The Sextuplets Become Seven

25 min

A Guide to a Bear Parent and Child / Dekapan Olympics

25 min

Totoko-chan's New Years' Card / Laughing Costs 1 Million Yen!

25 min

Skiiing in a French Fashion / I Don't Need the Magic Lamp Anymore

25 min

The Scary Old Hag / Speak Not the Truth

25 min

The Time Machine Sends Us to the Stone Age / Iyami's French Eaves

25 min

Keke, I'm the Great Detective / Leave the House-Sitting to the Dog

25 min

My Head Shines the Brightest in the World / Papa, Please Don't Smoke

25 min

Headed to Chibita's Jungle / Golf is Expensive, jo

25 min

Chibitaro, Born From a Peach / The Grand Prix Elimination Race

25 min

Kekeke, a Surprise Aerial Attack / Special Program: "We Are Sextuplets"

25 min

I've Quit Safecracking!

25 min

Let's Try to Ski for Free

25 min

Dekapan's Big Horse Race

25 min