A new girl named Ai Haibara joins Conan's class. She eventually reveals her true identity as Shiho Miyano (codenamed Sherry ), the scientist who created the APTX 4869 poison that shrunk Shinichi.
In Italy, the international numbering for Detective Conan differs from the original Japanese broadcast. Depending on the version you are watching, these episodes cover two major, high-stakes cases: Stai guardando DetectiveConan Ep 136-139 ITA
Conan disappears early in the episode after finding a secret passage, leaving Ai Haibara and the other children to solve the mystery of the castle's hidden treasure and a series of disappearances. A new girl named Ai Haibara joins Conan's class
This case is famous for its creepy, suspenseful vibe and for showing Haibara’s impressive detective skills while Conan is "out of commission". Depending on the version you are watching, these
If you are following the Japanese numbering (which some Italian streaming platforms or fan-lists use), cover a fan-favorite "survival" mystery.
Knowing this will help me give you more specific details about the culprit or the clues! Detective Conan Rewatch: Episode 136-137