As the 21st century approaches, a new 20th-century museum has opened in town, for the adults to relive their childhood. However, the owners of the museum seem to have other plans for it. ... See full summary »
Everything begins when a secret agent hides in the boat where the Futaba students are having dinner. The bad guys follow her and take the boat with her, Shin Chan and her friends on board. ... See full summary »
In the story, Shin-chan and the Kasukabe Defence Group members were supposed to go to the B-class Gourmet Carnival. But, just then, a mysterious person asked Shin-chan to deliver a sauce to the carnival.