Detective Conan Episode 491 Jun 2026

9.5/10 (Essential viewing for main storyline fans)

The episode feels less like a detective procedural and more like a spy thriller. The lighting is darker, the music is more urgent (using the iconic "Black Organization" theme), and the dialogue is terse. There are no puns or silly moments with the Detective Boys. The stakes are life and death at a global intelligence level. Detective Conan Episode 491

If you are revisiting Episode 491 after watching the entire series, you will notice clever foreshadowing: The stakes are life and death at a global intelligence level

Episode 491 is essential viewing for anyone tracking the lore of the Black Organization. It sets up the major revelation regarding the and the elaborate "blood transfusion" mystery that eventually explains why Eisuke and his sister appear to have different blood types. Prior to this episode, the series had settled

Prior to this episode, the series had settled into a routine of standard murder cases. However, Episode 491 shatters that routine. It adapts the beginning of Volume 56 of the manga, kicking off a continuous, high-tension storyline that spans eight episodes (491–504).