Season 1
Episode 1
Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
Episode 2
With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes
Mashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
Episode 3
Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous
A young detective lockpicks his way into Nagumo's office and asks to work for him.
Episode 4
Murder at the Mansion of Screams / Maki-chan and the Generation Gap
Nagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
Episode 5
Welcome to the World of Grown-ups / A Midsummer Thriller / Mashiro and the Agent from the Stars
Nagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
Episode 6
Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius
Episode 7
Episode 7
Episode 8
Episode 8
Episode 9
Episode 9
Episode 10
Episode 10
Episode 11
Episode 11
Episode 12