When Mr. Burns falls ill, only Bart has the rare blood type necessary to save him.
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Bart, Milhouse and Martin all learn they can't trust each other when they pool their money together to buy the first Radioactive Man.
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Homer and Marge makeup after Home lets a legendary catfish, General Sherman go.
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Lisa falls for her substitute teacher, Mr. Bergstrom (Dustin Hoffman) and his unconventional teaching style.
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Marge paints a portrait of Mr. Burns and portrays him his naked, frail form.
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Grampa falls in love with a waoman named Beatrice Simmons.
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Bart has to take Santa's Little Helper to obedience school if he wants to keep his dog.
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Homer meets his half-brother Herbert Powell (Danny DeVito) a successful CEO of a car manufacturer.
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When Homer tries to set up Principal Skinner with Selma, he ends up falling for her sister, Patty instead.
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Homer gets illegal cable and as much as he's enjoying the stations, Lisa begins to guilt him.
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In a flashback, we learn how Homer and Marge met in high school back in 1974.
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When Homer orders a Blowfish sushi, he ends up being told he has 22 hours to live.
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The Simpsons Quotes

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!

(Bart shows the whole classroom the tape for his project called, "How Kittens Are Born: The Ugly Truth")
Bart: and here comes Snowball II. This is the one we kept.
All: EWW!!
Bart: We were gonna keep the gray one, but the mother ate her.
All: EWWWWW!!
Martin: Mrs. Krabappel, he's traumatizing the children!
Mrs. Krabappel: As usual, I agree with you, Martin. Bart, shut that off and take your seat immediately!
Bart: Oh, look! This is really cool. When I hit reverse, I can make 'em go back in.
(The whole classroom screams)