Watch The Simpsons Season 22 Episode 15 online via TV Fanatic with over 7 options to watch the The Simpsons S22E15 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Xfinity, and Simpsons World.
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Lisa discovers a flower that makes aggressive creatures get along; Grampa is forced to come live with The Simpsons.