Season 2 / Episode 22
Mr. Burns needs a vital blood transfusion and Bart is the only one with the right blood type; when Mr. Burns fails to show the Simpsons enough gratitude for Bart's blood, Homer writes him a vindictive letter.
Genre - Sitcom/Animated
Running Time - 24min
Country - USA
Language - en
Original Air Date - Thursday 11th July 1991
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