History Recap / TheSimpsonsS13E5TheBlunderYears

** In "Bart After Dark", Smithers explains to Burns that his parents insisted he [[CureYourGays give the Maison Derrieré a try]], yet here we see Smithers was orphaned long before.

** Waylon Sr. sacrificing himself by manually shutting down the nuclear core mirrors Spock's death scene from Film/StarTrekIITheWrathOfKhan.

* LogoJoke: This was one of the episodes that repeated characters' lines for the Gracie Films logo--in this case, Homer's screams of terror, which carry into the 20th Century Fox logo.

* RodentsOfUnusualSize: Inside the sewer pipe where the body was disposed through, Lisa is horrified to see a big dead rat floating in the water. While Homer is opening up a hatch door, another big sewer rat is seen standing on Bart's right shoulder, though it turns out to be quite friendly as it too wants to find out what's on the other side of the hatch door.

* RodentsOfUnusualSize: While Homer is opening up the hatch, a big sewer rat is seen standing on Bart's right shoulder, though it turns out to be friendly as it too wants to find out what's on the other side of the hatch.

** In "Bart After Dark", Smither explains to Burns that his parents insisted he [[CureYourGays give the Maison Derrieré a try]], yet here we see Smithers was orphaned long before.

* ClipShow: After drinking some tea to calm his mentality, Homer begins reminiscing the time that he jumped over Springfield Gorge, which dissolves into the clip from "[[Recap/TheSimpsonsS2E8BartTheDaredevil Bart The Daredevil]]", until Lisa says, "Dad, everyone's tired of that story," in reference to the fact that that clip has been shown on pretty much every single Simpsons clip show.

** When the Simpsons pass by the hypnotist getting his mail, he does [[Series/TheTonightShowStarringJohnnyCarson Johnny Carson]]'s "Great Carnac" routine.