Film Spy Kids 2: The Island of Lost Dreams (2002)

Exploring the further adventures of Carmen and Juni Cortez, who have now joined the family spy business as Level 2 OSS agents. Their new mission is to save the world from a mad scientist living on a volcanic island populated by an imaginative menagerie of creatures. On this bizarre island, none of the Cortez's gadgets work, and they must rely on their wits--and each other--to survive and save the day.