The Old Blue Mayor She Ain't What She Used to Be/References

Cultural references

 * The episode title is a reference to the old folk song "" lyric, "The old gray mare, she ain't what she used to be."
 * The Springfield Skypark-Line is a reference New York's . Kent Brockman also references it directly.
 * The guy that ends up in the Springfield cactus patch does the.
 * Lisa mentioned that Wonder Woman showed that if you're a goddess with superpowers, there's no limit to what you can do.
 * Homer mentions the women Ghostbusters from the  movie.
 * Luigi asks why people think he only wants to serve spaghetti to dogs who want to make out, a reference to '. When Marge asks him what he wants to do, he says he wants to carve a little wooden boy and make him come to life, a reference to '.
 * When Lindsey Naegle says, "Just tell them [the voters] what they want to hear until you get to 51%. Then, you can govern like a right-wing nut job" she is referring to Donald Trump.
 * Watching Marge's focus group ratings turn from abysmal to positive, Lindsey Naegle likens herself to Kellyanne Conway, who had been Trump's campaign manager.
 * Referring to Kellyanne Conway, one of the focus group remarks it's inspiring that "now a woman can be ", who had been Hitler's Minister of Propaganda.
 * Marge sings a parody of "" by when her mayoral campaign is going.
 * Cletus belongs to the demographic "Yokel "
 * He calls Marge "The new ".
 * He holds up a copy of ., with its 3-D lettering.
 * He has a recognizable Ayn Rand scarecrow, whose visage is shown freaking out a crow.
 * The train sheds and their turntable resemble Tidmouth Sheds from.

Continuity

 * The couch gag references Simpsorama.
 * The Springfield Skypark-Line project was built on top of the Springfield Monorail, but the Monorail actually gets out of its hiding place and crushes Sebastian Cobb, killing him. ("Marge vs. the Monorail")
 * When Kent Brockman mentions it, they start chanting parts of The Monorail Song.
 * A statue in memory of Leonard Nimoy is displayed and destroyed saying "He saved us from the Monorail".
 * Marge goes to Curl Up and Dye. ("Looking for Mr. Goodbart")
 * The Grumple appears in Town Hall. ("Kill Gil, Volumes I & II")
 * Marge visits the Quimby Compound. ("The Boy Who Knew Too Much")
 * Marge was previously the mayor of an alternate reality Springfield. (Milhouse the Man, Krusty in the Can, and the Great Springfield Frink-Out)

Goofs

 * Kent Brockman changes the name of the park from Sky-Line park to Skypark-Line.
 * John Galt wasn't in The Fountainhead. He was in