Arthur et les Minimoys (2006)
Directed by Luc Besson

Film Synopsis

In common with all children of his age, Arthur is fascinated by his grandmother's bedtime stories.  In his dreams, these stories come to life and he finds himself in a fabulous country populated by strange and mysterious people.  But what if these were more than just fairy tales?   What if they were true?   In a book of spells belonging to his grandfather, Arthur finds several clues that point to the existence of a treasure in his own garden.  Excitedly, Arthur begins his search for the lost treasure and can hardly believe what he discovers: a world invisible to the naked eye, inhabited by minuscule beings called the Minimoys...