A bizarre encounter with an extraterrestrial named Shiriri sends the Nohara family back in time, with Hiroshi and Misae transformed into 25-year-old kids. To regain their adult forms, they must locate Shiriri's father, hidden somewhere in Japan. As the quest unfolds, it spreads to involve the entire country.
Crayon Shin-Chan: Invasion!! Alien Shiriri
The Nohara family's ordinary life is turned upside down when they encounter Shiriri, an enigmatic alien who unexpectedly shrinks Hiroshi and Misae, making them 25 years younger. To regain their adult forms, they must navigate a series of daunting obstacles.
