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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Marge decides to open a franchise to sell her sandwiches on The Simpsons. "Super Franchise Me" is the third episode of the show's 26th season.
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Homer and Bart are sent on a conflict resolution cruise on The Simpsons. "The Wreck of the Relationship" is the second episode of the show's 26th season.
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The Simpsons Quotes

Wow, now I see why they call you Miss Hoover. You must have been vacuuming for an hour.

Bart

Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side!
Man: (From inside a bathroom stall.) That's a right triangle, you idiot!
Homer: D'oh!