Adult Swim Yule Log is a surreal black comedy horror film that originally aired as a special on Adult Swim on December 11, 2022. It was created, written, and directed by Casper Kelly, and produced by Williams Street. Created in secret by Kelly, the film initially presents itself as a holiday footage video of a fireplace located inside a vacation cabin, before eventually giving way to a surprise meta-horror plot occurring within the cabin, and involving the fireplace itself. Adult Swim's first feature film and first horror film, it was met with generally favorable reviews.