Doraemon Movie 40: Nobita's New Dinosaur

Nobita and his friends visit a dinosaur exhibition, where Nobita makes a promise to find a dinosaur. After a fossil excavation experience, he stumbles upon a fossil egg and brings it home, convincing Doraemon to use the "time wrapping cloth" to revive it. Two twin dinosaurs, Kyu and Myu, emerge, and under Dr. Dinosaur's guidance, Nobita learns to care for them as they grow.