Shin-chan must rescue the adults of Kasukabe when they mysteriously abandon their responsibilities to relive their youth at the new 20th-century expo.

• Shin-Ei Animation
• Asatsu-DK
• Akiko Yajima
• Miki Narahashi
• Keiji Fujiwara
• Yuko Mita
• Satomi Korogi
• Masane Tsukayama
• Ai Kobayashi
• Mari Mashiba