Season
- Season 1 1988-02-13
Episode
- Episode 1: Sheeh! Sextuplets-zansu
- Episode 2: I've Had it With Fortune Telling-zansu!
- Episode 3: Genius Iyami's Transformation Potion-zansu!
- Episode 4: Sheee! I'm a Ballerina!
- Episode 5: Chibita's Love Falls with the Flowers
- Episode 6: Profiting from Death Prayers-zansu!
- Episode 7: Chibita Becomes a Mama!
- Episode 8: Transformation! Chibita's Amazing Hat
- Episode 9: Making Easy Money with a Secondhand Store-zansu!
- Episode 10: Shinigami Salesman From Hell!
- Episode 11: Even Behind Bars, Iyami Never Learns!
- Episode 12: The Great Iyami-sensei, the Popular Author!
- Episode 13: A Castle Moved In Next Door!
- Episode 14: Beat the Aliens!
- Episode 15: Getting Your Life Saved is Expensive-zansu!
- Episode 16: Saving? Energy Conservation? Mini-Sextuplets!
- Episode 17: Hatabō Musters Up Courage
- Episode 18: Chibita the Safecracker!
- Episode 19: Switched Psyches!
- Episode 20: Iyami, The Dangerous Watch Dealer!
- Episode 21: Friendship! Chibita and the Cat Thief!
- Episode 22: Chibita is a Wandering Gunslinger
- Episode 23: The Great Detective! Hatabō-da jou!
- Episode 24: Iyami's Body is Full of Germs!
- Episode 25: The Curse of Oden is Scary-zansu!
- Episode 26: Dad Can Quit Smoking
- Episode 27: The Fairy Tale of Outie Island!
- Episode 28: Watch Out for Wild Iyami!
- Episode 29: It's Do or Die for an Insurance Agent!
- Episode 30: Ninja Chibita is Here!
- Episode 31: Up to Here with the Spirit of the Flower-zansu!
- Episode 32: Totoko is the Number One Idol-zansu!
- Episode 33: Male Friendship is Hot-zansu!
- Episode 34: Dad is Dad!
- Episode 35: The Tomboy Princess of Dekapan Castle!
- Episode 36: It's Tough Being a Champion of Justice-zansu!
- Episode 37: Chibita's Treasure Island
- Episode 38: Be Kind to the Elderly-zansu!
- Episode 39: Take Caution During a Raid-zansu!
- Episode 40: Babysitting is Hard Work-zansu!
- Episode 41: White Christmas of the Skyline
- Episode 42: Iyami's Shifty Business!
- Episode 43: Win the Race by Cheating-zansu!
- Episode 44: Iyami's Gibberish Japan-zansu!
- Episode 45: Ski Trips Are Tough-zansu!
- Episode 46: The Hot-Blooded Detective Chibita-zansu!
- Episode 47: Wealthy from the Lottery-zansu!
- Episode 48: The Boys Learn Manners at a Zen Temple!
- Episode 49: The Arrogant Police Officer-zansu!
- Episode 50: Dinosaur Egg Omelet-zansu!
- Episode 51: What Happens at the Inn Stays at the Inn-zansu!
- Episode 52: An Honest Iyami is Dangerous!
- Episode 53: Brown-nosing with Golf-zansu!
- Episode 54: Iyami-san's Wedding!
- Episode 55: Luck Ran Out on the Drive
- Episode 56: The Super-Rich Chibita-sama-zansu!
- Episode 57: That Bastard Pilot, Iyami-zansu!
- Episode 58: Sheee! A 50,000 Yen a Day Allowance!
- Episode 59: Hatabō is a Champion of Justice-dajou!
- Episode 60: The Revenge of Flying Chibita-zansu!
- Episode 61: Which is More Important, Oden or Your First Love?
- Episode 62: Where Did Papa's Bonus Go?
- Episode 63: Sextuplets Squared!
- Episode 64: Munchkin Monkey Chibita's Big Adventure!
- Episode 65: Totoko, the Selfish Buddha!
- Episode 66: Iyami the Teacher's Throbbing Story!
- Episode 67: Life is Tough for Prince Chibita!
- Episode 68: Iyami's Fishy Beach House!
- Episode 69: Using Magic to Become Younger-zansu
- Episode 70: Boxing Hurts-zansu!
- Episode 71: Mom's a Born Saleswoman?!
- Episode 72: Honeybee Chibita's Violin
- Episode 73: Totoko, the Riddling Genius!
- Episode 74: Detective Iyami versus Phantom Thief Dayon!
- Episode 75: Iyami, 40 Years Later-zansu!
- Episode 76: Deformed in Front of the Camera-zansu!
- Episode 77: Cleany-kun, the Cleaning Robot!
- Episode 78: God, Make My Wish Come True!
- Episode 79: The Mother in Chibita's Imagination
- Episode 80: Iyami's Hibernation Strategy-zansu
- Episode 81: Raking It In As a Quack!
- Episode 82: I Don't Want Nightmares-zansu!
- Episode 83: Lions Are Scary When Angry-zansu!
- Episode 84: Hatabou in Mito Koumon!
- Episode 85: The Aliens Have Come Again!
- Episode 86: Iyami's Surefire Election Strategy-zansu!
Osomatsu-kun Season 1 Even Behind Bars, Iyami Never Learns!
The adventures of con-artist Iyami and his sidekick Chibita as they constantly get foiled by a group of trouble-making sextuplets. The series also focuses on the similarly comical and bizarre members of the town, and the far-out situations they get into.
