The Last Unicorn by Peter S. Beagle - 1982 - starring Alan Arkin, Jeff Bridges, Mia Farrow, Angela Lansbury, and Christopher Lee. Animated by Topcraft studios of Rankin/Bass (precursor to Studio Ghibli)

The Last Unicorn is a 1982 American animated fantasy film about a unicorn who, upon learning that she is the last of her species on Earth, goes on a quest to find out what has happened to others of her kind. Based on the 1968 novel The Last Unicorn written by Peter S. Beagle, who also wrote the film's screenplay, the film was...