Haw-Haw Land/References

Cultural references

 * The title of the episode is a wordplay on the movie .
 * The opening song, "Another Springfield Day", is a parody of "" from La La Land.
 * Pope Francis appears in the.
 * Database is seen hosting a "The Science of Wonder Woman" booth at the STEM Conference.
 * Insta-Grandma and its logo is a reference to and its old logo.
 * A robot says  suffers from Season 2 fatigue.
 * Lisa paraphrases the famous line from Casablanca.
 * Homer says the hotel bar is beautiful, just like the one in The Shining.
 * Homer asks Bart if he's making drugs by asking him if he's .
 * Nelson says "don't be a dingus, I'm the next ".
 * Nelson sings a parody of "" to Lisa.
 * Chief Wiggum calls Bart "Screwy Pasteur", a reference to chemist.
 * Marge says the episode was going to be a parody of  instead of La La Land. This is a reference to the mixup at the where La La Land was originally announced as the winner of the Best Picture award even though Moonlight had actually won.
 * Homer mentions that he wants to watch .

Continuity

 * The robot from "Them, Robot" and "Pork and Burns" appears.
 * LadyBot appears. ("Love Is in the N2-O2-Ar-CO2-Ne-He-CH4")
 * Lisa's relationship with Nelson is seen again. ("Lisa's Date with Density")
 * Bart once again floods a school with foam from a chemical reaction ("Bart the Genius"), only this time it's deliberate.

Trivia

 * The Simpsons: Tapped Out's SkyFinger, later revealed in the "The End of the Beginning" video during the event to be Maggie, appears crushing people and cars.
 * Props from couch gags are present in the Simpson House garage.

Goofs

 * is seen incorrectly colored at the STEM Conference.