1985
The Black Cauldron is Disney's 25th animated feature, and the first one done entirely without any of the Nine Old Men as part of the animating team.
Based on the series of novels Chronicles of Prydain by Lloyd Alexander, the adaptation was thought of since 1971 when Walt bought the writes to the books. From that point, the story was adapted in many ways, with different characters, but production was never completed until almost a decade later, in 1980 the final production started with the final story.