The series revolves around an earless robotic cat named Doraemon, who travels back in time from the 22nd century to aid a boy named Nobita Nobi.
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.

as Doraemon (voice)

as Nobita (voice)

as Shizuka (voice)

as Gian (voice)

as Suneo (voice)

as Koron (voice)

as Nobisuke (voice)

as Professor Kelly (voice)

as Dorami (voice)

as Tamako Nobi (voice)