剧情：
Anadventurousteenagerandhergrandmotheraretheprotectorsofamagicaldoorwaytoalandofdinosaurswhenababydinosaur,Junior,decidestostayinourworldandstumblesuponagroupofcriminalsplanninganevilscheme.Wendybandstogetherwithanorphanboy,Curtis,tosavethetownandgetJuniorbackhome.