E1 - Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination

Aired: July 01, 2025

Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.

E2 - With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes

Aired: July 08, 2025

Mashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.

E3 - Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous

Aired: July 15, 2025

A young detective lockpicks his way into Nagumo's office and asks to work for him.

E4 - Murder at the Mansion of Screams / Maki-chan and the Generation Gap

Aired: July 22, 2025

Nagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.

E5 - Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars

Aired: July 29, 2025

Nagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.

E6 - Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius

Aired: August 05, 2025

Mashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.

E7 - Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake

Aired: August 12, 2025

Mashiro brings back a lost little girl... and finds out there's more to her than meets the eye.

E8 - Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off

Aired: August 19, 2025

The gang tries to sniff out a cyber criminal who's brainwashing people through online videos.

E9 - Take Good Care of Your Smartphone / Maki-chan and Asunaro

Aired: August 26, 2025

E10 - Episode 10

Aired: September 02, 2025

E11 - Episode 11

Aired: September 09, 2025

E12 - Episode 12

Aired: September 16, 2025