It all begins when a secret agent hiding in the ship where dinner Futaba school students. The Pig Hoof follow and take the boat with her, Shin Chan and his friends on board. From there, Shin Chan, Masao, Nene, Kazama and Boo Chan van with Agent everywhere as their hostages.

Original title: Crayon Shin-chan: Dengeki! Buta no Hizume Daisakusen (1998)