Mr. Burns is dying of hypohemia, and needs an immediate transfusion of double-O negative blood. Finding out that Bart has the right blood type, Homer volunteers him, confident that Burns will reward him richly. When all Burns sends is a thank-you card, an enraged Homer writes a hate-mail letter. Marge begs him not to mail it, but Bart does it the next morning. Written by
Did You Know?
When Moe refills Homer's beer, the glass disappears when Moe hands it to Homer, then reappears in Homer's hand. See more
They always told me I was gonna destroy the family, but I never really believed it.
That's okay, Bart. Nobody really believed it. We were just trying to scare you.
Written by Geezer Butler
, Tony Iommi
, Ozzy Osbourne
, and Bill Ward
Performed by Harry Shearer See more