劇情:

多啦A梦和大雄利用「时光黏贴胶」在500年前的新西兰抓到了一只巨大的灭绝之鸟「毛亚」，并要把牠带到专门收容绝种动物的「贝雷加蒙岛」。这个陌生的岛屿，拥有「黄金独角仙」所守护的不可思议力量，可以令古代生物得以继续生存至今，因而被多啦A梦美称为「奇迹之岛」。然而，在该处研究的绝种动物学家凯莉博士的助手在前往大雄家的途中，却弄错时空，误把三十年前，儿时的大雄爸爸带到「奇迹之岛」去了。他被带到「奇迹之岛」之后，记忆已不復存（被遗忘棒敲到失去记忆）。哆啦A梦等人之后还是顺利来到了贝雷加蒙岛，他们不仅在这座岛上遇见了洛可洛族长老的孙女「可洛」，还遇到了儿时的大雄爸爸。他们在这座岛屿上快乐而安逸的生活著。為了夺取黄金海格力斯的力量，邪恶商人「沙曼」开始袭击这座岛屿！ 究竟多啦A梦等人是否能守护这座岛屿呢?

Nobita catches a big rhinoceros beetle, which he promises to his dad to take good care of it. Later, Doraemon's group finds a strange island where a tribe co-exists with prehistoric creatures that were thought to be completely extinct. They find that a mythical beetle spirit, Golden Hercules, was protecting this island, giving it the powers to sustain the life of prehistoric species. Yet, the group has to deal with a group of criminals from the future, who wants to possess the spirit for money and power.