"I'm Getting Buried in the Morning" is an episode of The Itchy & Scratchy Show.
Scratchy and his bride are at a church wedding. Unfortunately, the church minister is Itchy. He uses his hat that doubles as a circular saw blade to behead both Scratchy and his bride. Itchy is then seen driving a car with the "Just Married" bumper sticker on the rear and Scratchy and the bride's decapitated heads tied up to the fender.
Bart, Milhouse, and Samantha Stankey watch this Itchy & Scratchy episode together. Bart finds the cartoon highly amusing but Milhouse and Samantha are uneasy.