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)