E01 · Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
7/1/2025
Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
E02 · With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes 24m
7/8/2025
Mashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
E03 · Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous 24m
7/15/2025
A young detective lockpicks his way into Nagumo's office and asks to work for him.
E04 · Murder at the Mansion of Screams / Maki-chan and the Generation Gap 24m
7/22/2025
Nagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
E05 · Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars 24m
7/29/2025
Nagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
E06 · Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius 24m
8/5/2025
Mashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.
E07 · Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake 24m
8/12/2025
Mashiro brings back a lost little girl... and finds out there's more to her than meets the eye.
E08 · Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off 24m
8/19/2025
The gang tries to sniff out a cyber criminal who's brainwashing people through online videos.
E09 · Take Good Care of Your Smartphone / Maki-chan and Asunaro 24m
8/26/2025
Mashiro loses her smartphone, and Asunaro recounts how he and Maki became partners.
E10 · Catch the Sneak Photographer! / The Bullet Bride 24m
9/2/2025
Nagumo receives a case of someone taking indecent photos of women at a water park.
E11 · Mashiro and the Psychic of Love 24m
9/9/2025
A client asks Nagumo to save his wife from a psychic who seems to have brainwashed his village.
E12 · Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts Down 24m
9/16/2025
Can the gang make enough money to pay off Nagumo's overdue rent and save Nagumo Detective Agency?
