When Marge puts the dessert dogs recipe in the envelope, Ovenfresh's address happens to be in a city called Ovenfresh, IL 60876. 60876 would appear to be an Illinois zip code but it is not an actual zip code.
The headline "Father of eight missing" and a picture of Apu appear on the front page of the newspaper that Marge is reading. This happens shortly after Apu "jokes" about leaving his family and changing his name. Then Homer's paper has the front page headline "Steve Barnes opens convenience store"
The kitchen is back to normal in the next episode.
When airing on Channel 4 in the UK, the final scene of the Hillbillies’ shooting was cut when Brandine got out of the car.
This is the second episode where Homer was set alight after walking into a device. The first was "Treehouse of Horror VIII".
The title is a play on the phrase "All's fair in love and war."
Bart and Milhouse listen to "Boplicity" by Miles Davis on a record player while reading Playdude.
The scene where Caan is gunned down at a tollbooth is cartoon reenactment of a scene in The Godfather in which Caan's character Sonny is killed. This scene has already been parodied in The Simpsons many times, such as when Bart is pelted with snowballs in Mr. Plow.
The music Bart's friends play in his treehouse is "Take Five" by Paul Desmond.
The music Homer asks himself to turn down is the classic 80's power ballad "Separate Ways" by Journey.
The food personalities in Homer's dream include Toucan Sam, the Pillsbury doughboy, Julius Pringles (the Pringles mascot), Mr. Cashew (a parody of Mr. Peanut), the Koobler dwarves (a parody of the Keebler Elves), Snip, Crinkle, and Poof (a parody of Snap, Crackle, and Pop), Twinkle the Kid (a Twinkie), the Land O'Lakes woman, Mrs. Butterworth, and the Green Giant.