Season
Season 1 Episode
- Season 1 Leave the House-Sitting to the Dog / The Beggar Robot
- Season 1 Iyami's Fishing Pond / The 40 Thieves
- Season 1 Chibita's Stray Cat Strategy / A Thief Fell From The Sky
- Season 1 The Helpful Robot / Iyami's Cleaning Store
- Season 1 There's the Shortcut / Laughing Costs 1 Million Yen!
- Season 1 Osomatsu Targeted / Chibita's Martial Arts
- Season 1 The Magical Tea Kettle / The Angry Superman
- Season 1 It's All Fine Until You Take Off His Hat / Boar Hunting
- Season 1 Iyami the Dentist / Defeat the Mosquitoes' Enemies!
- Season 1 I am Chibita, The Giant! / Counterattack Operation Pepen
- Season 1 Osomatsu-kun Gets Adopted / Chibita the Invisible Man
- Season 1 The Cutie Who Moved Close By / Rampage of the Smog Family
- Season 1 The Opposite-Head Experiment / Iyami the Designer
- Season 1 Iyami's Ninja Methods / Keke, I'm the Class President!
- Season 1 Chibita, Did You Turn Into a Dog? / The Suspicious Transfer Student
- Season 1 The Time Machine Sends Us to the Stone Age / The Junk Strategy
- Season 1 Chika-chan and Chibita / Don't Wake The Sleeping Child
- Season 1 Suspicious Presents / See Doctor Chibita For Tooth Decay
- Season 1 Is Chibita a Good Boy? / Chibita's Girlfriend
- Season 1 Iyami the Rude Guest / Chibita the Sailor
- Season 1 Iyami's French Eaves / Dad Ran Away
- Season 1 Iyami's Diamond Dentures / Forward! Cat Troopers
- Season 1 The Suspiscious Mynah Bird / Chibita's Lullaby
- Season 1 Get That Lousy Fugitive! / I'm Rich, da jo
- Season 1 The Super-Cheap Old Man / Hoe Hoe, Mountain Climbing
- Season 1 The Fortune-Telling Machine from France / We'll Do Anything in Six Rounds!
- Season 1 Dad's Robot Strategy / Stop the Lying Duo!
- Season 1 Rickety Camp Riot / Be a Security Guard, Osomatsu-kun!
- Season 1 The Sextuplets Become Seven / Promotional Sales War
- Season 1 Go For It, Kumamatsu / Chibita's a Pet
- Season 1 Goronyan, the Meteorologist / Lonely Kappataro
- Season 1 Say Not the Truth / The ¥100,000 Ghost Phone
- Season 1 Iyami's Fake Beach House / Chibita's Big Circus
- Season 1 Chibita Walks the Tightrope / Osomatsu is a Bad Kid
- Season 1 I Hate This Naughty Dog! / The Cries of a Child Summon the Ant Troops
- Season 1 Chibita's Oden Neurosis / Trick the Tanuki!
- Season 1 Papa, Please Don't Smoke / Chibita Soars Through the Skies
- Season 1 Only Chibita Has Filial Piety / Golf is Expensive, jo
- Season 1 Dekapan's Big Horse Race
- Season 1 It's a First-Class Car Race, jo / Chibita the Zookeeper
- Season 1 A Fight Over a Flower / Were You Kidnapped, Osomatsu-kun?
- Season 1 I've Quit Safecracking!
- Season 1 The Grand Prix Elimination Race / The Search for Chibita's Parents
- Season 1 Let's Try to Ski for Free
- Season 1 Please Return My Bonus! / Go For It, Kumamatsu
- Season 1 The Arsonist Loves Oden / Fighting Robot Rampage
- Season 1 A Dreadful Christmas Season-zansu / The Sextuplets Become Seven
- Season 1 A Guide to a Bear Parent and Child / Dekapan Olympics
- Season 1 Totoko-chan's New Years' Card / Laughing Costs 1 Million Yen!
- Season 1 Skiiing in a French Fashion / I Don't Need the Magic Lamp Anymore
- Season 1 The Scary Old Hag / Speak Not the Truth
- Season 1 The Time Machine Sends Us to the Stone Age / Iyami's French Eaves
- Season 1 Keke, I'm the Great Detective / Leave the House-Sitting to the Dog
- Season 1 My Head Shines the Brightest in the World / Papa, Please Don't Smoke
- Season 1 Headed to Chibita's Jungle / Golf is Expensive, jo
- Season 1 Chibitaro, Born From a Peach / The Grand Prix Elimination Race
- Season 1 Kekeke, a Surprise Aerial Attack / Special Program: "We Are Sextuplets"
- Season 1 I've Quit Safecracking!
- Season 1 Let's Try to Ski for Free
- Season 1 Dekapan's Big Horse Race
Osomatsu-kun - Season 1 Episode 15 Chibita, Did You Turn Into a Dog? / The Suspicious Transfer Student
7.00 48 minutes 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.
