Osomatsu-kun (Season 1)

Leave the House-Sitting to the Dog! / The Beggar Robot 0.0

Air date: 1966-02-05

Runtime: 25 min

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

Iyami's Fishing Pond / The 40 Thieves 0.0

Air date: 1966-02-12

Runtime: 25 min

Overview: 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. Later, Chibita plays the role of the leader of a gang of thieves who targets Osomatsu for discovering their misdeeds.

Chibita's Stray Cat Strategy / A Thief Fell From The Sky 0.0

Air date: 1966-02-19

Runtime: 25 min

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

The Helpful Robot / Iyami's Cleaning Store 0.0

Air date: 1966-02-26

Runtime: 25 min

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

There's the Shortcut / Laughing Costs 1 Billion Yen! 0.0

Air date: 1966-03-05

Runtime: 25 min

Overview: Iyami and Chibita feign construction workers to scam the sextuplets out the their money by making a paid shortcut to school. Later, 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.

Osomatsu Targeted / Chibita's Martial Arts 0.0

Air date: 1966-03-12

Runtime: 25 min

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

The Magical Tea Kettle / The Angry Superman 0.0

Air date: 1966-03-19

Runtime: 25 min

Overview: Iyami scams the sextuplets with a magic kettle, actually utilizing Chibita as the secret inside. Later, Chibita and Bokeo get revenge on the sextuplets for harming their frog friend.

It's All Fine Until You Take Off His Hat / Boar Hunting 0.0

Air date: 1966-03-26

Runtime: 25 min

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

Iyami the Dentist / Defeat the Mosquitoes' Enemies! 0.0

Air date: 1966-04-02

Runtime: 25 min

Overview: 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". Later, after Chibita's mosquito colony is destroyed by the sextuplets, he and Iyami create a watermelon-shaped bomb to enact revenge.

I am Chibita, The Giant! / Counterattack Operation Pepen 0.0

Air date: 1966-04-09

Runtime: 25 min

Overview: 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. Meanwhile, a roaming minstrel and Chibita team up to enact revenge on the sextuplets with their army of cats.

Osomatsu-kun Gets Adopted / Chibita the Invisible Man 0.0

Air date: 1966-04-16

Runtime: 25 min

Overview: 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. Meanwhile, Chibita drinks an invisibility potion and causes mischief.

The Cutie Who Moved Close By / Rampage of the Smog Family 0.0

Air date: 1966-04-23

Runtime: 25 min

Overview: 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. Later, a crime family that Chibita is a part of has business with the sextuplets, climaxing in a rainy nighttime brawl.

The Opposite-Head Experiment / Iyami the Designer 0.0

Air date: 1966-04-30

Runtime: 25 min

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

Iyami's Ninja Methods / Keke, I'm the Class President! 0.0

Air date: 1966-05-07

Runtime: 25 min

Overview: Ninjutsu master Iyami insists the help of his disciples Chibita and Moguramaru to get revenge on the sextuplets. Later, Chibita attempts to thwart Totoko's run as Class President.

Chibita, Did You Turn Into a Dog? / The Suspicious Transfer Student 0.0

Air date: 1966-05-14

Runtime: 25 min

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

The Time Machine Sends Us to the Stone Age / The Junk Strategy 0.0

Air date: 1966-05-21

Runtime: 25 min

Overview: 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. Meanwhile, neighbors Iyami and Chibita go to war with the Matsunos over trash disposal.

Chika-chan and Chibita / Don't Wake The Sleeping Child 0.0

Air date: 1966-05-28

Runtime: 25 min

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

Suspicious Presents / See Doctor Chibita For Tooth Decay 0.0

Air date: 1966-06-04

Runtime: 25 min

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

Where's Chibita Going? / Chibita's Girlfriend 0.0

Air date: 1966-06-11

Runtime: 25 min

Overview: The sextuplets become victims of a vindictive clothesless Chibita, who tries to steal their clean clothes. Meanwhile, 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.

Iyami the Rude Guest / Chibita the Sailor 0.0

Air date: 1966-06-18

Runtime: 25 min

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

Iyami in France / Dad Ran Away 0.0

Air date: 1966-06-25

Runtime: 25 min

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

Episode 22 0.0

Air date: 1966-07-02

Runtime: 25 min

Episode 23 0.0

Air date: 1966-07-09

Runtime: 25 min

Episode 24 0.0

Air date: 1966-07-16

Runtime: 25 min

Episode 25 0.0

Air date: 1966-07-23

Runtime: 25 min

Episode 26 0.0

Air date: 1966-07-30

Runtime: 25 min

Episode 27 0.0

Air date: 1966-08-06

Runtime: 25 min

Episode 28 0.0

Air date: 1966-08-13

Runtime: 25 min

Episode 29 0.0

Air date: 1966-08-20

Runtime: 25 min

Episode 30 0.0

Air date: 1966-08-27

Runtime: 25 min

Episode 31 0.0

Air date: 1966-09-03

Runtime: 25 min

Episode 32 0.0

Air date: 1966-09-10

Runtime: 25 min

Episode 33 0.0

Air date: 1966-09-17

Runtime: 25 min

Episode 34 0.0

Air date: 1966-09-24

Runtime: 25 min

Episode 35 0.0

Air date: 1966-10-01

Runtime: 25 min

Episode 36 0.0

Air date: 1966-10-08

Runtime: 25 min

Episode 37 0.0

Air date: 1966-10-15

Runtime: 25 min

Episode 38 0.0

Air date: 1966-10-22

Runtime: 25 min

Episode 39 0.0

Air date: 1966-10-29

Runtime: 25 min

Episode 40 0.0

Air date: 1966-11-05

Runtime: 25 min

Episode 41 0.0

Air date: 1966-11-12

Runtime: 25 min

Episode 42 0.0

Air date: 1966-11-19

Runtime: 25 min

Episode 43 0.0

Air date: 1966-11-26

Runtime: 25 min

Episode 44 0.0

Air date: 1966-12-03

Runtime: 25 min

Episode 45 0.0

Air date: 1966-12-10

Runtime: 25 min

Episode 46 0.0

Air date: 1966-12-17

Runtime: 25 min

Episode 47 0.0

Air date: 1966-12-24

Runtime: 25 min

Episode 48 0.0

Air date: 1966-12-31

Runtime: 25 min

Episode 49 0.0

Air date: 1967-01-07

Runtime: 25 min

Episode 50 0.0

Air date: 1967-01-14

Runtime: 25 min

Episode 51 0.0

Air date: 1967-01-21

Runtime: 25 min

Episode 52 0.0

Air date: 1967-01-28

Runtime: 25 min

Episode 53 0.0

Air date: 1967-02-04

Runtime: 25 min

Episode 54 0.0

Air date: 1967-02-11

Runtime: 25 min

Episode 55 0.0

Air date: 1967-02-18

Runtime: 25 min

Episode 56 0.0

Air date: 1967-02-25

Runtime: 25 min

Episode 57 0.0

Air date: 1967-03-04

Runtime: 25 min

Episode 58 0.0

Air date: 1967-03-11

Runtime: 25 min

Episode 59 0.0

Air date: 1967-03-18

Runtime: 25 min

Episode 60 0.0

Air date: 1967-03-25

Runtime: 25 min