A roll of film uncovers how Homer and Lisa first started fighting on The Simpsons. "The Kids Are All Fight" is the 19th episode of the show's 26the season.
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Marge has had enough of driving her kids around on The Simpsons. "My Fare Lady" is the 14th episode of the show's 26th season.
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Lisa decides to compose a new town anthem on The Simpsons. "Walking Big & Tall" is the 13th 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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Bart and Lisa are transported to a demon filled universe on The Simpsons annual Halloween special.
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Both Marge and Lisa say they are done trying to make new friends on The Simpsons.
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Lisa has a boyfriend! He's voiced on this Simpsons episode by Zach Galifianakis.
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Lisa begins dating a competitive eater on The Simpsons. "Luca$" is the 17th episode of the show's 25th 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!