Bart and Homer in “So It's Come to This: A Simpsons Clip Show”

Bart

Dad, it's all my fault. I shook up that can of beer. It was just an April Fools joke.

[Life support machine starts to change from showing Homer's life signs to outlines of Bart. His mouth begins to form a growl, his fingers twitch and his eyes slowly open in anger.]

Homer

[angrily turns red] Why, you little--!! [grabs Bart and proceeds to strangle him]