Crayon Shin-chan: Invasion!! Alien Shiriri

In this lighthearted adventure, young Shin-chan embarks on a journey across Japan, spurred by an unusual turn of events involving his own parents and a peculiar character named Shiriri. The mysterious figure, whose motives remain shrouded in mystery, has transformed Shin-chan's mother and father into children overnight. Determined to restore their adult selves, the tenacious boy sets off on a whimsical escapade with comedic twists and turns throughout the vibrant landscape of Japan. Along the way, he encounters various eccentric characters, overcomes numerous challenges, and discovers valuable life lessons as he tirelessly pursues his goal to return his parents to their original form.