Return to Oz (1985)
Dorothy, saved from a psychiatric experiment by a mysterious girl, is somehow called back to Oz when a vain witch and the Nome King destroy everything that makes the magical land beautiful
THX 1138 (1971)
In the 25th century, a time when people have designations instead of names, a man, THX 1138, and a woman, LUH 3417, rebel against their rigidly controlled society