"Return from Witch Mountain" is a 1978 Disney film that serves as a sequel to the 1975 movie "Escape to Witch Mountain." The story follows siblings Tia and Tony, who possess special psychic abilities, as they return to Witch Mountain to confront a villain seeking to exploit their powers. In this adventure, the siblings team up with a kind-hearted taxi driver named Eddie to thwart the antagonist's plans. The film combines elements of fantasy and adventure, showcasing themes of friendship, courage, and the importance of using one's abilities for good.