The theme song of COPS: In Springfield, "Bad Cops", is a parody of "Bad Boys" by the reggae band Inner Circle which was used as the opening theme to COPS.
The scene where a young Homer is singing at the church is a parody of one scene in the 1987 film Empire of the Sun where young Jim Graham (Christian Bale) sings "Suo Gân" in a church in Shanghai.
Homer refers to the Hippocratic Oath as the "Hippopotamus Oath".
Homer compares the United States healthcare system to that of Paraguay. In healthcare, Paraguay spends less per capita (US$13−20 per year) than most other Latin American countries.
When trying to get $40,000 from the Jewish community, Homer tells rabbi Hyman Krustofsky that he has rented and will watch Fiddler on the Roof. This 1971 American period musical film centers around Tevye, a poor Jewish milkman.
During the opening when the police force break down Reverend Lovejoy's door, Wiggum says they are looking for 742 Evergreen Terrace and Lovejoy points them to next door. However, the house next door is not 742 Evergreen Terrace.
In one scene were Homer is eating his Bacon and Eggs, they change color between shots.
Krusty claims that his face was permanently blanched by his heart attack, which was in 1986. However, in the 1990 episode "Krusty Gets Busted", he is shown with a flesh-colored face in the courtroom.
In the scene where Dr. Hibbert jokingly pretends to steal Homer's nose, Homer's nose briefly turns tan-brown like his beard, instead of its usual flesh color.
Krusty's chest looks more different than it is seen in "Kamp Krusty". More noticeable is that the superfluous third nipple and cattle skull birthmark have disappeared.
Homer seems to have entirely forgotten about the surgery in "Bart Carny". When Marge warns Homer he cannot go on a ride due to his quadruple bypass, Homer brushes it off, only to complain of his heart when on the ride.
