小新跟媽媽還有風間，妮妮，正男，阿呆一起報名動感超人電影首映會上，突然出現了一群粗暴的猴子將所有大人都拐走了，小新一行人為了救出大人們，冒險坐船到南海上的一座小島，發現所有的炊急缓镒訅罕浦隹喙ぃ瑣u上的大王樂園正在單挑動感超人，小新發揮了機智，救出了大人們，一起到競技場上幫動感超人加油，終於趕走了壞蛋救出了大家。回到船上后，原本以為可以平安回家了，沒想到樂園王又出現了。。。

Shinchan, his mum, and his friends signed up for the Action Kamen anniversary South China Sea trip, on the premier of the Action Kamen's moviek, a group of wild monkeys captured all the adults. Shinchan took the risk together with other children to an island at South China Sea. They discovered that all the adults are slaving for the King. The king of the island suggest to challenged Action Kamen in a fight. Shinchan managed to save the adults to cheer for Action Kamen at the arena, at last the scoundrel was defeated and they returned to her ship thinking that they can go home peacefully now. But the king appears...