The Nightmare Before Christmas is a stop-motion animated film released in 1993 by director Henry Selick. The story revolves around Jack Skellington, the Pumpkin King of Halloween Town, who discovers Christmas and decides to take it over. Jack attempts to replace Santa Claus and create a holiday called "Sandy Claws," leading to all sorts of comedic chaos. It's a whimsical, darkly humorous tale with memorable characters and a unique blend of holiday and horror elements.