: After a family trip to a tourist-trap ghost town called Bloodbath Gulch, Homer refuses to stop the car for Grampa to use the restroom. The prolonged pressure causes Grampa's kidneys to "explode".
: Dr. Hibbert informs the family that Homer is a perfect donor match. Homer initially agrees but grows terrified after Moe and the barflies warn him of the dangers of living with only one kidney. 8. Homer Simpson in: 'Kidney Trouble'
: Homer flees the operating table twice. During his first escape, he joins a "Ship of Lost Souls" filled with outcasts, but even they throw him overboard when they hear he abandoned his father. : After a family trip to a tourist-trap