When Nobita goes diving with Doraemon, a mermaid named Sophia comes close to him and they all befriend her. When they proceed towards her kingdom, they encounter a fight between two opposing tribes.

Adventure, Family, Animation, Fantasy

Wasabi Mizuta, Chiaki Fujimoto, Megumi Oohara, Tomokazu Seki, Yumi Kakazu, Subaru Kimura