Season
Season 1 Episode
- Season 1 Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
- Season 1 With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes
- Season 1 Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous
- Season 1 Murder at the Mansion of Screams / Maki-chan and the Generation Gap
- Season 1 Welcome to the World of Grown-ups / A Midsummer Thriller / Mashiro and the Agent from the Stars
- Season 1 Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius
- Season 1 Nagumo-san's Grown-up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake
- Season 1 Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off
- Season 1 Take Good Care of Your Smartphone / Maki-chan and Asunaro
- Season 1 Episode 10
- Season 1 Episode 11
- Season 1 Episode 12
Detectives These Days Are Crazy! - Season 1 Episode 1 Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
8.60 24 minutes Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
