Watch The Simpsons Season 29 Episode 21 online via TV Fanatic with over 6 options to watch the The Simpsons S29E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Disney+.
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On The Simpsons Season 29 Episode 21, when Bart gets struck by lightning, he begin seeing ghosts who want closure only he can provide on the season finale.