Eiga Doraemon Nobita no Shin Kyoryuu: Futago no Kyuu to Myuu
映画ドラえもん のび太の新恐竜~ふたごのキューとミュー~
Nobita and Doraemon discover a fossilized dinosaur egg in a cliff. Using Doraemon's gadgets, they successfully hatch it and find two twin dinosaurs, which they name Kyu and Myu. The duo decides to raise the baby dinosaurs in the modern world, keeping them hidden from others.
However, as the dinosaurs grow larger, it becomes impossible to keep them a secret. Nobita and his friends realize that Kyu and Myu belong to a prehistoric era and must return to their own time. They embark on an adventure to bring the twins back to the Cretaceous period, facing challenges and discovering the true meaning of friendship and responsibility.