Doraemon Movie 32: Nobita to Kiseki no Shima - Animal Adventure

Doraemon Movie 32 features Nobita and his family adopting a rhinoceros beetle, which he later learns is connected to a mythical spirit named Golden Hercules. This spirit is said to be responsible for preserving prehistoric creatures on a mysterious island where a tribe lives among them. However, a group of time-traveling thieves from the future is after Golden Hercules for their own gain, putting the island's inhabitants and creatures at risk.