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Osomatsu-kun
Season 1 · Episode 13
The Opposite-Head Experiment / Iyami the Designer
0.025mApril 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.
Episodes
- Episode 1Leave the House-Sitting to the Dog / The Beggar Robot
- Episode 2Iyami's Fishing Pond / The 40 Thieves
- Episode 3Chibita's Stray Cat Strategy / A Thief Fell From The Sky
- Episode 4The Helpful Robot / Iyami's Cleaning Store
- Episode 5There's the Shortcut / Laughing Costs 1 Million Yen!
- Episode 6Osomatsu Targeted / Chibita's Martial Arts
- Episode 7The Magical Tea Kettle / The Angry Superman
- Episode 8It's All Fine Until You Take Off His Hat / Boar Hunting
- Episode 9Iyami the Dentist / Defeat the Mosquitoes' Enemies!
- Episode 10I am Chibita, The Giant! / Counterattack Operation Pepen
- Episode 11Osomatsu-kun Gets Adopted / Chibita the Invisible Man
- Episode 12The Cutie Who Moved Close By / Rampage of the Smog Family
- Episode 13The Opposite-Head Experiment / Iyami the Designer
- Episode 14Iyami's Ninja Methods / Keke, I'm the Class President!
- Episode 15Chibita, Did You Turn Into a Dog? / The Suspicious Transfer Student
- Episode 16The Time Machine Sends Us to the Stone Age / The Junk Strategy
- Episode 17Chika-chan and Chibita / Don't Wake The Sleeping Child
- Episode 18Suspicious Presents / See Doctor Chibita For Tooth Decay
- Episode 19Is Chibita a Good Boy? / Chibita's Girlfriend
- Episode 20Iyami the Rude Guest / Chibita the Sailor
- Episode 21Iyami's French Eaves / Dad Ran Away
- Episode 22Iyami's Diamond Dentures / Forward! Cat Troopers
- Episode 23The Suspiscious Mynah Bird / Chibita's Lullaby
- Episode 24Get That Lousy Fugitive! / I'm Rich, da jo
- Episode 25The Super-Cheap Old Man / Hoe Hoe, Mountain Climbing
- Episode 26The Fortune-Telling Machine from France / We'll Do Anything in Six Rounds!
- Episode 27Dad's Robot Strategy / Stop the Lying Duo!
- Episode 28Rickety Camp Riot / Be a Security Guard, Osomatsu-kun!
- Episode 29The Sextuplets Become Seven / Promotional Sales War
- Episode 30Go For It, Kumamatsu / Chibita's a Pet
- Episode 31Goronyan, the Meteorologist / Lonely Kappataro
- Episode 32Say Not the Truth / The ¥100,000 Ghost Phone
- Episode 33Iyami's Fake Beach House / Chibita's Big Circus
- Episode 34Chibita Walks the Tightrope / Osomatsu is a Bad Kid
- Episode 35I Hate This Naughty Dog! / The Cries of a Child Summon the Ant Troops
- Episode 36Chibita's Oden Neurosis / Trick the Tanuki!
- Episode 37Papa, Please Don't Smoke / Chibita Soars Through the Skies
- Episode 38Only Chibita Has Filial Piety / Golf is Expensive, jo
- Episode 39Dekapan's Big Horse Race
- Episode 40It's a First-Class Car Race, jo / Chibita the Zookeeper
- Episode 41A Fight Over a Flower / Were You Kidnapped, Osomatsu-kun?
- Episode 42I've Quit Safecracking!
- Episode 43The Grand Prix Elimination Race / The Search for Chibita's Parents
- Episode 44Let's Try to Ski for Free
- Episode 45Please Return My Bonus! / Go For It, Kumamatsu
- Episode 46The Arsonist Loves Oden / Fighting Robot Rampage
- Episode 47A Dreadful Christmas Season-zansu / The Sextuplets Become Seven
- Episode 48A Guide to a Bear Parent and Child / Dekapan Olympics
- Episode 49Totoko-chan's New Years' Card / Laughing Costs 1 Million Yen!
- Episode 50Skiiing in a French Fashion / I Don't Need the Magic Lamp Anymore
- Episode 51The Scary Old Hag / Speak Not the Truth
- Episode 52The Time Machine Sends Us to the Stone Age / Iyami's French Eaves
- Episode 53Keke, I'm the Great Detective / Leave the House-Sitting to the Dog
- Episode 54My Head Shines the Brightest in the World / Papa, Please Don't Smoke
- Episode 55Headed to Chibita's Jungle / Golf is Expensive, jo
- Episode 56Chibitaro, Born From a Peach / The Grand Prix Elimination Race
- Episode 57Kekeke, a Surprise Aerial Attack / Special Program: "We Are Sextuplets"
- Episode 58I've Quit Safecracking!
- Episode 59Let's Try to Ski for Free
- Episode 60Dekapan's Big Horse Race