The Nightmare Before Christmas is a beloved ’90s classic. But did you know the movie started life over ten years earlier, when producer Tim Burton wrote a poem in 1982? At the time, Burton was an animator at Walt Disney Studios, and he tried to turn The Nightmare Before Christmas into a short film. Disney considered it, but nothing ever happened with it, and eventually Burton lost his job. Then he went on to direct Pee-wee’s Big Adventure and Batman. Suddenly, Disney was more interested in The Nightmare Before Christmas, and as an entire feature-length film. That’s just one of the Nightmare Before Christmas facts featured in the newest episode of You Think You Know Movies!