The first Doraemon movie, "Doraemon: Nobita's Dinosaur," was released in 1981 and was a huge success. Since then, over 40 Doraemon movies have been produced, with the most recent one being "Doraemon: Nobita's Earth Symphony" released in 2020. The movies have been produced by various studios, including Toho, Shogakukan, and Shin-Ei Animation.