Season 1 Episodes12

E1 7.4

Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination

E2 7.7

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

E3 7.5

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

E4 7.3

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

E5 7.1Now viewing

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

E6 7.5

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

E7 7.2

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

E8 7.1

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

E9 7.4

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

E10 7.9

Catch the Sneak Photographer! / The Bullet Bride

E11 7.4

Mashiro and the Psychic of Love

E12 7.7

Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts Down

Cast4

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)

Crew3

Rion Kujo

Director

Rintaro Ikeda

Writer

Naoki Taira

Director

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Episode Summary

"Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars" is episode 5 of Detectives These Days Are Crazy! season 1. It scored 7.1/10 from 41 votes, ranking #11 of 12 episodes this season (season average 7.4). Directed by Rion Kujo, Naoki Taira and written by Rintaro Ikeda, it aired on July 29, 2025.