Doraemon: Nobita's Dinosaur is a 1980 Japanese animated science fiction adventure film based on the manga series Doraemon, particularly the first volume of the same name of the Doraemon Long Stories series. The film premiered on 15 March 1980 in Japan. It is the first feature-length Doraemon film. In 2006, the film was remade as Doraemon: Nobita's Dinosaur 2006. It is an expanded version of the 1975 chapter with the same name.