Did Santa's Little Helper leave the family behind?
The Simpsons Season 31 Episode 22 changed everything for the family when the dog decided to bite Marge.
Before making a decision on the future of the four-legged member of the family, everyone revisited the dog's tragic past.
Did the story everyone was told all these years change somewhat?
Elsewhere, Bart made a big mistake in school.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.