S01E011. Former Great Detective Nagumo Keiichiro / Mashiro's Pest ExterminationNagumo Keiichiro was once a great child detective, but age is starting to catch up with him.Episodes — Season 1
Season pageS01E011. Former Great Detective Nagumo Keiichiro / Mashiro's Pest ExterminationNagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
S01E0224:112. With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro ExplodesMashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
S01E0324:093. Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most DangerousA young detective lockpicks his way into Nagumo's office and asks to work for him.
S01E0424:304. Murder at the Mansion of Screams / Maki-chan and the Generation GapNagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
S01E0524:005. Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the StarsNagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
S01E0624:306. Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° CelsiusMashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.
S01E0724:367. Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief RiverfakeMashiro brings back a lost little girl... and finds out there's more to her than meets the eye.
S01E0824:578. Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day OffThe gang tries to sniff out a cyber criminal who's brainwashing people through online videos.
S01E0924:519. Take Good Care of Your Smartphone / Maki-chan and AsunaroMashiro loses her smartphone, and Asunaro recounts how he and Maki became partners.
S01E1024:2610. Catch the Sneak Photographer! / The Bullet BrideNagumo receives a case of someone taking indecent photos of women at a water park.
S01E1124:3211. Mashiro and the Psychic of LoveA client asks Nagumo to save his wife from a psychic who seems to have brainwashed his village.
S01E1224:1412. Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts DownCan the gang make enough money to pay off Nagumo's overdue rent and save Nagumo Detective Agency?Where to stream Detectives These Days Are Crazy!
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Availability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
Detectives These Days Are Crazy! synopsis
Once a legendary detective, Nagumo Keiichiro now stumbles through middle age baffled by smartphones and modern life. His quiet decline gets disrupted when Mashiro, a bold high school girl, bursts into his office demanding to become his apprentice. Though he’s rusty and set in his ways, her relentless enthusiasm drags him back into detective work. Now the gap-bridging detective duo is on the case!
Detectives These Days Are Crazy! cast
Junichi SuwabeKeiichiro Nagumo (voice) · 12 ep.
Kana HanazawaMashiro (voice) · 12 ep.
Kengo KawanishiTaro Nezu (voice) · 12 ep.
Tomokazu SugitaCheerful Old Man / Nipple-Tasting Man / Cross Chest Hair Man / Man Who Likes Ropes (voice) · 12 ep.
Saya HorigomeTakako (voice) · 3 ep.
Shoumaru ZouzaNews Announcer (voice) · 2 ep.
Chado HoriiCerberus (voice) · 2 ep.
Haruna MikawaCafe Staff (voice) · 1 ep.
Kozue SaitoGranny (voice) · 1 ep.
Amane ShindoMako Hachiya (voice) · 1 ep.
Taichi TakedaSkin (voice) · 1 ep.
Taisuke NakanoIntellectual (voice) · 1 ep.Seisuke FujiwaraNishino (voice) · 1 ep.
Volcano OtaBig Brother (voice) · 1 ep.
Takayuki NakatsukasaBoss (voice) · 1 ep.
Yuu HayashiHayashida (voice) · 1 ep.Detectives These Days Are Crazy! trailer
About the series Detectives These Days Are Crazy!
Detectives These Days Are Crazy! is a series (animation and comedy), airing on AT-X since 2025. It has 1 season and 12 episodes of about 24 minutes each. The series ended on September 16, 2025. Cast members include Junichi Suwabe, Kana Hanazawa and Kengo Kawanishi. It is rated 6.8/10 by 21 TMDB users.
Frequently asked questions about Detectives These Days Are Crazy!
Where to watch Detectives These Days Are Crazy! online?
In the United States, Detectives These Days Are Crazy! is available with a subscription on Crunchyroll and Crunchyroll Amazon Channel (source: JustWatch via TMDB, offers subject to change). Each episode has its own page with this information.
How many seasons of Detectives These Days Are Crazy! are there?
Detectives These Days Are Crazy! has 1 season for a total of 12 episodes.
Has Detectives These Days Are Crazy! ended?
Yes, the series has ended: the last episode aired on September 16, 2025.
Who stars in Detectives These Days Are Crazy!?
The lead actors are Junichi Suwabe (Keiichiro Nagumo (voice)), Kana Hanazawa (Mashiro (voice)), Kengo Kawanishi (Taro Nezu (voice)), Tomokazu Sugita (Cheerful Old Man / Nipple-Tasting Man / Cross Chest Hair Man / Man Who Likes Ropes (voice)), Saya Horigome (Takako (voice)).
