Dr. Slump and Arale-chan: Hoyoyo!! Follow the Rescued Shark...

In this film, Arale Norimaki saves a shark while at the beach, leading to an invitation to explore the shark's underwater city with her family. The narrative includes the character Suppaman, who seeks revenge while they enjoy their time underwater.

The film features a cast that includes Kenji Utsumi, Mami Koyama, and Toru Furuya, showcasing the comedic elements typical of the Dr. Slump series. The blend of animation and humor appeals to fans of anime and collectors of the genre, particularly those who appreciate the unique storytelling style found in the franchise.