E1 - Leave the House-Sitting to the Dog / The Beggar Robot

Aired: February 05, 1966

Osomatsu and Choromatsu mind Chibita as babysitters, but grow bored and decide to have a mysterious dog take the heed instead. / Dekapan creates a robot powered by spare change that inadvertently leads to disaster in the hands of the sextuplets.

E2 - Iyami's Fishing Pond / The 40 Thieves

Aired: February 12, 1966

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.

E3 - Chibita's Stray Cat Strategy / A Thief Fell From The Sky

Aired: February 19, 1966

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.

E4 - The Helpful Robot / Iyami's Cleaning Store

Aired: February 26, 1966

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.

E5 - There's the Shortcut / Laughing Costs 1 Million Yen!

Aired: March 05, 1966

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.

E6 - Osomatsu Targeted / Chibita's Martial Arts

Aired: March 12, 1966

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.

E7 - The Magical Tea Kettle / The Angry Superman

Aired: March 19, 1966

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.

E8 - It's All Fine Until You Take Off His Hat / Boar Hunting

Aired: March 26, 1966

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.

E9 - Iyami the Dentist / Defeat the Mosquitoes' Enemies!

Aired: April 02, 1966

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.

E10 - I am Chibita, The Giant! / Counterattack Operation Pepen

Aired: April 09, 1966

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.

E11 - Osomatsu-kun Gets Adopted / Chibita the Invisible Man

Aired: April 16, 1966

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.

E12 - The Cutie Who Moved Close By / Rampage of the Smog Family

Aired: April 23, 1966

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.

E13 - The Opposite-Head Experiment / Iyami the Designer

Aired: April 30, 1966

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.

E14 - Iyami's Ninja Methods / Keke, I'm the Class President!

Aired: May 07, 1966

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.

E15 - Chibita, Did You Turn Into a Dog? / The Suspicious Transfer Student

Aired: May 14, 1966

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.

E16 - The Time Machine Sends Us to the Stone Age / The Junk Strategy

Aired: May 21, 1966

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.

E17 - Chika-chan and Chibita / Don't Wake The Sleeping Child

Aired: May 28, 1966

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.

E18 - Suspicious Presents / See Doctor Chibita For Tooth Decay

Aired: June 04, 1966

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.

E19 - Is Chibita a Good Boy? / Chibita's Girlfriend

Aired: June 11, 1966

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.

E20 - Iyami the Rude Guest / Chibita the Sailor

Aired: June 18, 1966

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.

E21 - Iyami's French Eaves / Dad Ran Away

Aired: June 25, 1966

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.

E22 - Iyami's Diamond Dentures / Forward! Cat Troopers

Aired: July 02, 1966

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.

E23 - The Suspiscious Mynah Bird / Chibita's Lullaby

Aired: July 09, 1966

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.

E24 - Get That Lousy Fugitive! / I'm Rich, da jo

Aired: July 16, 1966

E25 - The Super-Cheap Old Man / Hoe Hoe, Mountain Climbing

Aired: July 23, 1966

E26 - The Fortune-Telling Machine from France / We'll Do Anything in Six Rounds!

Aired: July 30, 1966

E27 - Dad's Robot Strategy / Stop the Lying Duo!

Aired: August 06, 1966

E28 - Rickety Camp Riot / Be a Security Guard, Osomatsu-kun!

Aired: August 13, 1966

E29 - The Sextuplets Become Seven / Promotional Sales War

Aired: August 20, 1966

E30 - Go For It, Kumamatsu / Chibita's a Pet

Aired: August 27, 1966

E31 - Goronyan, the Meteorologist / Lonely Kappataro

Aired: September 03, 1966

E32 - Say Not the Truth / The ¥100,000 Ghost Phone

Aired: September 10, 1966

E33 - Iyami's Fake Beach House / Chibita's Big Circus

Aired: September 17, 1966

E34 - Chibita Walks the Tightrope / Osomatsu is a Bad Kid

Aired: September 24, 1966

E35 - I Hate This Naughty Dog! / The Cries of a Child Summon the Ant Troops

Aired: October 01, 1966

E36 - Chibita's Oden Neurosis / Trick the Tanuki!

Aired: October 08, 1966

E37 - Papa, Please Don't Smoke / Chibita Soars Through the Skies

Aired: October 15, 1966

E38 - Only Chibita Has Filial Piety / Golf is Expensive, jo

Aired: October 22, 1966

E39 - Dekapan's Big Horse Race

Aired: October 29, 1966

E40 - It's a First-Class Car Race, jo / Chibita the Zookeeper

Aired: November 05, 1966

E41 - A Fight Over a Flower / Were You Kidnapped, Osomatsu-kun?

Aired: November 12, 1966

E42 - I've Quit Safecracking!

Aired: November 19, 1966

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?

E43 - The Grand Prix Elimination Race / The Search for Chibita's Parents

Aired: November 26, 1966

E44 - Let's Try to Ski for Free

Aired: December 03, 1966

E45 - Please Return My Bonus! / Go For It, Kumamatsu

Aired: December 10, 1966

E46 - The Arsonist Loves Oden / Fighting Robot Rampage

Aired: December 17, 1966

E47 - A Dreadful Christmas Season-zansu / The Sextuplets Become Seven

Aired: December 24, 1966

E48 - A Guide to a Bear Parent and Child / Dekapan Olympics

Aired: December 31, 1966

E49 - Totoko-chan's New Years' Card / Laughing Costs 1 Million Yen!

Aired: January 07, 1967

E50 - Skiiing in a French Fashion / I Don't Need the Magic Lamp Anymore

Aired: January 14, 1967

E51 - The Scary Old Hag / Speak Not the Truth

Aired: January 21, 1967

E52 - The Time Machine Sends Us to the Stone Age / Iyami's French Eaves

Aired: January 28, 1967

E53 - Keke, I'm the Great Detective / Leave the House-Sitting to the Dog

Aired: February 04, 1967

E54 - My Head Shines the Brightest in the World / Papa, Please Don't Smoke

Aired: February 11, 1967

E55 - Headed to Chibita's Jungle / Golf is Expensive, jo

Aired: February 18, 1967

E56 - Chibitaro, Born From a Peach / The Grand Prix Elimination Race

Aired: February 25, 1967

E57 - Kekeke, a Surprise Aerial Attack / Special Program: "We Are Sextuplets"

Aired: March 04, 1967

E58 - I've Quit Safecracking!

Aired: March 11, 1967

E59 - Let's Try to Ski for Free

Aired: March 18, 1967

E60 - Dekapan's Big Horse Race

Aired: March 25, 1967