Doraemon The Movie: Great Adventure at South Sea - in Hindi

The film opens with a group of pirates who found treasures inside a cavern of an island, but all of them mysteriously disappear, save for a young boy who is stranded in the island. In the present day, Nobita and his friends are discussing school project themed around sea. Interested in pirate life and treasury, Nobita asks Doraemon to help him find secret treasures. Doraemon at first denies the pirates roaming in the present day as well as the existence of secret treasures, but after learning news about recently discovered treasury, he helps Nobita in his sea voyage in search for the secret treasure. Bringing along Shizuka, Gian, and Suneo, they roam the South Sea while playing ship and sea danger simulators with Doraemon's gadgets. However, Doraemon senses a time distortion that takes the group to the 16th century when real dangerous phenomena and sea monsters begin appearing.