Genre: Adventure , Animation
When Nobita feels like diving, Doraemon uses a simulator to transform Tokyo city into an underwater paradise. Trouble follows when the sharks and other fishes start to attack Doraemon and his friends, so Doraemon returns the city to its normal state. That's when they find a young girl named Sophia in the bushes who reveal to them that she is really the princess of an underwater kingdom. Join Nobita, Doraemon, Sophia and a host of other fishy characters as they journey to the depths of the ocean on an exciting adventure to find hidden treasure and save Sophia‟s underwater world.