Once Upon a Time (1973) is a Animation, Family, Fantasy film that follows one day, Maria meets a prince who gives her a magic stone but then her stepsister steals it and throws it down a well. While trying to retrieve the stone, Maria falls in and awakens in a magical realm. Currently, you can watch Once Upon a Time on Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 5.5 out of 10 from 5 votes. Fans of animation movies may also want to explore similar titles below.