Season 1
12 episodes · Jul 1, 2025
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S1E1Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
Jul 1, 2025Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
S1E2With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes
Jul 8, 202524mMashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
S1E3Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous
Jul 15, 202524mA young detective lockpicks his way into Nagumo's office and asks to work for him.
S1E4Murder at the Mansion of Screams / Maki-chan and the Generation Gap
Jul 22, 202524mNagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
S1E5Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars
Jul 29, 202524mNagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
S1E6Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius
Aug 5, 202524mMashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.
S1E7Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake
Aug 12, 202524mMashiro brings back a lost little girl... and finds out there's more to her than meets the eye.
S1E8Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off
Aug 19, 202524mThe gang tries to sniff out a cyber criminal who's brainwashing people through online videos.
S1E9Take Good Care of Your Smartphone / Maki-chan and Asunaro
Aug 26, 202524mMashiro loses her smartphone, and Asunaro recounts how he and Maki became partners.
S1E10Catch the Sneak Photographer! / The Bullet Bride
Sep 2, 202524mNagumo receives a case of someone taking indecent photos of women at a water park.
S1E11Mashiro and the Psychic of Love
Sep 9, 202524mA client asks Nagumo to save his wife from a psychic who seems to have brainwashed his village.
S1E12Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts Down
Sep 16, 202524mCan the gang make enough money to pay off Nagumo's overdue rent and save Nagumo Detective Agency?