Detective Conan · Season 1 · Episode 141
The Night Before the Wedding Locked Room Case (1)
Monday, April 19 · 25 min · ★ 8.5 on TMDB
Heiji and Kazuha visit Tokyo accompanied by Kogoro, Ran, and Conan. They run into Heiji's father's friend and are invited to their mansion. There a murder occurs and his father's friend is found dead in a locked room.