Shin-chan must rescue the adults of Kasukabe when they mysteriously abandon their responsibilities to relive their youth at the new 20th-century expo.
Akiko Yajima
Shinnosuke Nohara (voice)
Miki Narahashi
Misae Nohara (voice)
Keiji Fujiwara
Hiroshi Nohara (voice)
Yuko Mita
Child Hiroshi Nohara (voice)
Satomi Korogi
Himawari Nohara (voice)
Masane Tsukayama
Ken (voice)
Ai Kobayashi
Chako (voice)
Mari Mashiba
Shiro / Toru Kazama (voice)
Tamao Hayashi
Nene Sakurada (voice)
Teiyu Ichiryusai
Masao Sato (voice)
Chie Sato
Bo-chan (voice)
Rokuro Naya
Encho Sensei (voice)
