Case Closed (Detective Conan) 1×394 – Big Adventure in the Eccentric Mansion: The Seal
名探偵コナン
Agasa, Haibara, Conan, Ayumi, Mitsuhiko, and Genta go camping. While they’re camping they find a lantern in a pond with some writing inside. They show the stone lantern to Conan who determines that it is a code to finding a large diamond. The lantern is also hiding another secret…a dead body at the bottom of the pond.