Spirited Away (2001)
Hayao Miyazaki
Ten-year-old Chihiro and her parents stumble upon a seemingly abandoned amusement park. After her mother and father are turned into giant pigs, Chihiro meets the mysterious Haku, who explains that the park is a resort for supernatural beings who need a break from their time spent in the earthly realm, and that she must work there to free herself and her parents.