Homer is hypnotized while at the circus on The Simpsons. "Bart's New Friend" is the 11th episode of the show's 26th season.
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The Simpsons get on the wrong amusement park ride and end up on Kang and Kodos' home planet in "The Man Who Came to Be Dinner"
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Marge tells Homer not to bother coming home for Christmas. "I Won't Be Home For Christmas" is the ninth episode of the show's 26th season.
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Homer starts his own cover band and Sammy Haggar guest stars on The Simpsons, "Covercraft"
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Bart's new teacher seems determined to crush his spirit on The Simpsons. "Blazed and Confused" is the seventh episode of the show's 26th season.
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The Planet Express crew arrives in Springfield on a The Simpsons / Futurama crossover episode.
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Lisa things she has the perfect opponent to Mr. Burns fracking operation on The Simpsons. "Opposites O-Frack" is the fifth episode of the show's 26th season.
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Bart and Lisa are transported to a demon filled universe on The Simpsons annual Halloween special.
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The Simpsons Quotes

(The family watches Homer's launch on TV.)
Bart: Go, Dad, go!
Lisa: How doth the hero, strong and brave, a celestial path to the heavens paved!
(The family stares at her.)
Lisa: Go, Dad, go.

Mr. Burns: I specifically said, no geeks!
Milhouse: But my mom says I'm cool...