Treehouse Of Horror 24 References. Maggie 's head turning 360 degrees is a reference to the exorcist. Homer mentions the stories told on the treehouse, and how they're three, with two of them good, and one lame in the middle, and how he's putting an end to that,.
When the camera descends into mr. Maggie ‘s head turning 360 degrees is a reference to the exorcist.