According to IMDb’s trivia, “Tim Burton has said the original poem was inspired after seeing Halloween merchandise display in a store being taken down and replaced by a Christmas display.

"The Nightmare Before Christmas" was based on a poem written by Burton when he was an animator for Disney. Selik told the Daily Beast in 2013, "Tim rewrote the classic poem, 'Twas the Night Before ...

The stop-motion musical dark fantasy film was directed by Henry Selick and produced and conceived by Tim Burton. The idea started as a poem Burton wrote back in 1982 while he was working as an ...