Doraemon uses one of his secret gadgets to create a virtual ocean for Nobita to play in, when suddenly, the mermaid princess Sophia, a descendent of the planet Aqua appears.
Cast: Mizuta Wasabi as Doraemon, Megumi Ohara as Nobita, Kakazu Yumi as Shizuka, Subaru Kimura as Gian, Tomokazu Seki as Suneo, Chiaki as Dorami, Rie Tanaka as Sophia
Director: Kôzô Kusuba
Genre: adventure