The Simpsons (TV Series)
Homer: The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side.
The episode is named as a parody of the full name of this film.
Homer's life-long dream was to be a contestant on this show, we then see a flashback of him on it.
The Raymond Babbitt caricature who gambles at Homer's table says that he's "gotta watch Wapner."
porn title: Sperms of Endearment
Homer mentions the time he allowed an escaped lunatic into the house because he was dressed liked Santa Claus.
porn title: I'll Do Anyone
The Idaho Lisa costume is from this episode.
In "The House That Gave Sucky Treats", the King of Town's knight's Halloween costume is "Idaho"
A deleted scene from this episode is played, actual footage from this episode is used at the start to put it into context.
The "News on Parade" bit at the beginning is similar to "News on the March" from Citizen Kane.
Homer trips over an ottoman the same way Dick Van Dyke does in the intro of every episode. Also, a studio audience laughs.
When dealing at the casino, Homer speaks to Ray and Charlie from this movie who are gambling (just like when they went to a casino in the film).