While at the beach Arale Norimaki rescues a shark. In return, the shark invites her and the rest of the Norimaki to their underwater city. Meanwhile, Suppaman intends to follow them and get revenge. While in the city, Arale meets Urashima Tarō, who joins Arale while playing at the amusement park.
Movie tag line: "Tagline Not Available"
Production companies:
Character: Senbei Norimaki (voice)
Character: Arale Norimaki (voice)
Character: Taro Urashima (voice)
Character: Mermaid Queen / Obotchaman (voice)
Character: Urashima Taro(voice)
Character: Turbo Norimaki(voice)
Character: Suppaman(voice)
Character: Eel(voice)
Character: Midori Norimaki(voice)
Character: Child Shark (voice)
Character: Father Shark (voice)
Character: Gajira Norimaki (voice)