Escape to Witch Mountain (Walt Disney Studios New Movie: Escape to Witch Mountain)

Some terrifying experience has blocked Tony and Tia's memory of the past. But because they have supernatural powers, they are sure that they come from another world---and that their people still exist somewhere. Then Tony and Tia find that they must escape from men who want to use their special powers for evil. They begin a desperate search to find their true home---which leads them to the strange and mysterious Witch Mountain. (from back cover)