ドラえもん誕生日スペシャル 「ドラえもんが生まれ変わる日」

Nobita and Doraemon use time tree Mochi and catch a big bird, which has been extinct for 500 years ago. To protect the animal, Nobita and Doraemon go to Beremon Island, overseen by a golden beetle named Herakles.

Doraemon and his friends have to rescue the people of Birdopia from the wrongdoing of vengeful former bird troopers before they unleash a wicked ancient dragon.

Nobita and his friends find a portal to a mysterious resort filled with metal buildings. They soon discover that the person who opened the portal for them has an ulterior motive.

In the underground Diamond Domain, where many Carbink live, the Mythical Pokémon Diancie serves as ruler. The Heart Diamond that sustains the land is beginning to fall apart, and Diancie is not yet strong enough to create a new one. While seeking help from the Legendary Pokémon Xerneas, Diancie encounters a group of thieves who want to take control of its diamond-producing power–and who awaken the Legendary Pokémon Yveltal from its cocoon in the process! Can Ash and his friends help Diancie discover its true power, stop Yveltal’s rampage, and save the Diamond Domain?