When Homer says to the Devil that if he eats the left part of the donut he is going to be in Hell, the left part has some pink cream and sugar. When Homer eats it, however, the pink cream and the sugar disappear.
Homer is in his pajamas when the Devil sends him to Hell, but when he lands in Hell, he is in his regular clothes.
Homer is being cut by a Hell creature. But when he is in the Hell labs, he is in one piece.
Homer gets fat when he eats all the donuts but when he is at the trial, he loses all of the weight he gained.
In the opening sequence the following tombstones can be read, "Elvis Accept It, A Balanced Budget, Subtle Political Satire, and TV Violence," with several gun shots being fired at it.
The tombstone about Elvis is a reference to the conspiracy theory that Elvis is still alive.
At the beginning, a painting that Bart passed by is Lisa in a version of The Scream. Marge shadow on wall (in the style of de Chirico) Homer (Van Gogh's self portrait) Maggie with melted pacifiers (Dali's "Persistence of Memory") Lisa playing sax (Picasso's "Three Musicians") Homer chasing Bart (Escher's "Ascending and Descending") Lisa (Picasso's "Three Musicians"). The final story that Bart passes is the paintings of Bart behind an apple (Magritte's self-portrait, "The Son of Man") and that stupid "Dogs Playing Poker" picture.
This is a parody of Rod Serling's "Night Gallery".
The demon who is feeding Homer donuts says: "I don't understand it. James Coco went mad in fifteen minutes!"James Coco was a character known in the 1970s...He parodied the Belgian sleuth Hercule Poirot, penned by Agatha Christie. In the movie, James Coco’s character throws a volley of subtle food jokes. In his last years, Coco received attention for his culinary talents and best-selling cookbooks. The James Coco Diet, an educational book which included chapters on menu planning and behavior modification as well as choice recipes), was just one that he promoted on the talk show circuit. It is probably not a coincidence that he often played characters with extreme food issues.
When the Devil Flanders gets angry at Homer at the nuclear power plant, the form he assumes is exactly like the demon Chernabog in "A Night on Bald Mountain segment" from Fantasia.
Homer's ironic punishment of being force-fed donuts is a parody of the Merrie Melodies cartoon Pigs is Pigs.
Lionel Hutz combs his hair the way ariel combs her hair from The Little Mermaid.
the winding road up to the castle the front door opening by itself Burns materializing on the stairs Burns' clothing Burns' shadow having a life of its own. Plus it had those horrifying pointy fingers. The spookiness of the vampire's shadow was one of the best elements of the film "Nosferatu".