Detective Conan › Season 1

S1 E182: The Big Investigation of the Nine Doors

Name: The Big Investigation of the Nine Doors
Released: 2000-02-28

The Detective Boys are walking home one day when they discover two s shaped hooks and a ring with the initials M to A, a wedding ring. They decide to investigate seeing it as an S.O.S.

Air date	Feb 28, 2000
Runtime	25 minutes
TMDB rating	★ 10.0/10