Treehouse of Horror XV

"Treehouse of Horror XV" is the first episode of "The Simpsons" sixteenth season. It is the 15th episode of the "Treehouse of Horror" series. It was first broadcast on the Fox network on November 7, 2004. The episode has three parts: "The Ned Zone", "Four Beheadings and a Funeral", and "In the Belly of the Boss".