Season 1
The story begins when the Ruling Elder of Harappa Land sent a few of his robotic people to seek out the sacred treasure of their kingdom: The Landtool. Two such robots, Robotack and Kamerock, arrived to a place called Yumegaoka. It was there that Robotack befriended a boy named Kakeru and aided the boy's uncle, Kaoru Sugi, in his Private Investigation business. But also on the quest for the LandTool is DarkCrow and his lacky Kabados, who were exiled and intend to make money off the LandTool.
Dog on a Walk, the Wandering Detective
The Aiding Turtle's Requital
Astray!! The Giant Game
Advance!! The Detective Boys
Cherry the Phantom Thief's Present
The Missing of First Love Investigation
The Whistle call, the Dog's Busy
The Dog's Earnestness Overcomes All Obstacles
The Fateful Showdown: The Crow vs. The Turtle
The Elderly Detective Guts
The Immortal Man has a Bald Head
The Justice of the Disconnected Crow
Sazanka-san's Worst Day Ever
Lovely Gyoza of Sympathy
My Rival's a Genius Detective
Bonjour, Dēsu
The Mole Cop's Cheers
The Black Demon's Hazardous Trap
The Rabbit's Great Passionate Plan
The Explosive Fierce Tiger!! Chief Tora
Rapid Development! The New Resolve
The Disturbing Banzai
The Pretty Girl Spirit's Secret
The Hot-Blooded Robot Teacher's Youth
Cherry the Phantom Thief Dies?!
The Hawk Teacher's Firey New School Term
The Lovely Assistant Chef
The Stormy Center of the Final Trial
The Search for the Hungry Detective
The Rejected Man's turning of the Tables
The Almighty Phone, Wonder Phone
The Combined Robots' Monkey and Dog Relationship
Catching a Shooting Star
Explode the Bridge of a Trial
The Strongest Combined Robot's Weakness
The Disappeared Masked Wrestler
Valuable friendship, Dēsu!
Cherry's Hollow Challenge
The First Snow, The Monkey Robot's First Love
Santa Superority
The New Year's Bell is Hated
Troubled K's New Year
Memories are the Greatest Treasure
The Dog and the Cat! The Fate of Brothers
Robotack's Death at Sea