However, when things are at their grimmest, Doraemon's robotic underwater vehicle sacrifices itself to destroy the computer that controlled all the robots and nuclear weapons. With the help of a young boy from Mu, Nobita and his friends attempt to stop the robots, but are all captured. It is revealed that another undersea kingdom, Atlantis, now controlled by robots, was about to destroy the Earth with nuclear weapons after mistaking a volcano eruption for an invasion. Doraemon and his friends are later captured by these creatures, revealed to be inhabinats of the underwater kingdom of Mu. Fortunately, they are rescued by some marine creatures. Along the way, they discover that the environment gun that Doraemon used to protect them is running out of energy leaving them vulnerable to the sea. Jaian and Suneo take Doraemon's underwater vehicle and travel through the Atlantic Ocean, trying to find a treasure ship. The plot revolves around a summer vacation of Nobita and his friends under the waters of Pacific Ocean.
Free Download Doraemon - Nobita and the Castle of the Undersea Devil (1983) Download Part 1 | Part 2 | Part 3 | Eng Sub Nobita and the Haunts of Evil ( のび太の大魔境, Nobita no Daimakyo ) is a 1982 animated film based on the popular manga and anime series, Doraemon.
