The "Fruity Oaty Bars" commercial in the 2005 film Serenity was inspired by the "Mr. Sparkle" commercial.
In the "The Itchy & Scratchy Show" shown in the episode, Itchy stretches the stethoscope to a French nuclear testing site, which is a reference to the French nuclear test in French Polynesia in January 1996.
The Scream Flanders Makes is reused in The Simpsons Game.
In the close-up of Rev. Lovejoy putting up the next church topic, the board is much bigger and empty.
Dr. Hibbert's daughter is among the churchgoers seen attempting to ask Marge questions. However, in said scene, she has yellow skin.
A videotape from Japan wouldn't actually work in a VHS Player in the U.S due to region coding. The writers seemed to realize this mistake as later shown in The Regina Monologues and Elementary School Musical. However, it is possible the tapes were formatted for American VHS players since the video was meant for American investors.