Treehouse of Horror VI. Halloween special which is divided into three short stories: Attack of the 50-Foot Eyesores–An ionic storm brings Springfield's oversized advertisements and billboards to life and they begin attacking the town. Nightmare on Evergreen Terrace–In a parody of the A Nightmare on Elm Street movies, Groundskeeper Willie attacks schoolchildren in their sleep to get revenge on the parents who did not save him when he burned to death. Homer3–While finding a hiding place while preparing for an upcoming visit from Patty and Selma, Homer steps into a portal behind a bookcase that takes him into a 3D world.