Watch The Simpsons Season 3 Episode 21 online via TV Fanatic with over 6 options to watch the The Simpsons S3E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Disney+.
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Selma reveals she has a new boyfriend from the prison pen pal system... Sideshow Bob! Although Bart suspects he's still evil, Bob proves to everyone else he's changed.