Kogoro, Ran, and Conan pay a visit to an old woman. She decides to take them to her grandson, but he’s found dead when they get into the house. The bathroom door is locked however. How could this have happened?
Detective Conan episode 155 is titled “The Key in the Water Locked Room Case”. It first aired on August 2, 1999. This episode carries Japanese audio, with subtitles in English. It streams in up to 1080p. Running time is about 24 minutes. Next up is episode 156.




































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































