Homer plays a series of (childish) practical jokes on Bart. To get even, Bart uses a paint mixer at a local hardware store to shake up a can of Homer's beer. Homer opens the can, resulting in a huge explosion that seriously injures the Simpsons patriarch.
Did You Know?
In one scene, Dr. Frink suggests a trip inside Homer, referencing Fantastic Voyage. Later in Treehouse of Horror XV, there was a parody of it, with rest of The Simpsons family going inside Homer. See more
[Homer is undergoing major surgery. Grampa visits him in hospital
They say the greatest tragedy is when a father outlives his son. I've never understood why that is; frankly, I can see an upside to it. Ha ha.
Row, Row, Row Your Boat
Performed by Dan Castellaneta See more