S1 E1: Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination

S1 E2: With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes

S1 E3: Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous

S1 E4: Murder at the Mansion of Screams / Maki-chan and the Generation Gap

S1 E5: Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars

S1 E6: Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius

S1 E7: Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake

S1 E8: Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off

S1 E9: Take Good Care of Your Smartphone / Maki-chan and Asunaro

S1 E10: Catch the Sneak Photographer! / The Bullet Bride

S1 E11: Mashiro and the Psychic of Love

S1 E12: Episode 12