Ep. 423: Detective Boys and the Four Aomushi Brothers
Aired on December 5, 2005Filler

423
Ayumi and fellow young detectives observe an olive tree inhabited by a family of caterpillars. A murder has occurred in the vicinity, yet a boy who witnessed the perpetrator's face refuses to testify to the police. Conan attempts to converse with the boy to understand his reluctance to cooperate with authorities. The narrative explores the mystery behind the boy's silence amidst the backdrop of the olive tree and the surrounding crime scene.
Episodes
- Ep. 419 · Investigation into the Murder of Kouji Wanibuchi in Izumo Village
- Ep. 420 · Conan exposes Fujie’s alibi fraud and motive linked to the Eight-Headed Serpent myth.
- Ep. 421 · Detective Boys decode Agasa's letter to find his first love's meeting spot
- Ep. 422 · The woman is revealed as a former male classmate now female, leading to a misunderstanding with Agasa.
- Ep. 423 · Detective Boys and the Four Aomushi Brothers
- Ep. 424 · A Clown's Photo Mail Reveals a Murder at a Costume Party
- Ep. 425 · Black Impact! The Moment the Black Organization Reaches Out!
- Ep. 426 · Ran receives an anonymous letter that causes Conan concern and influences her decision to meet the sender.
- Ep. 427 · Detective Boys investigate the disappearance of a girl resembling Haibara who went missing while buying supplies.