When Ned Flanders recounts hanging out with other door-to-door salesmen, the one in the vest and necktie is a reference to Willy Loman in this film and many other adaptations.
When Ned Flanders recounts hanging out with other door-to-door salesmen, the one in the straw hat and bow tie is a reference to Harold Hill in this film.
When Uter is thinking about how he might get into heaven, he imagines himself in the chocolate factory drinking from the chocolate river and falling into it similar to Augustus Gloop.
In Marge's tale set in WW II, the Ark of the Covenant is in a wooden crate and when it's opened by Sideshow Mel, it first releases beautiful spirits that turn ghastly and then lightning bolts that kill all the Nazi soldiers like the climax of this film.