Wikisimpsons - The Simpsons Wiki
- The title of the episode is a wordplay on the movie La La Land.
- The opening song, "Another Springfield Day", is a parody of "Another Day of Sun" from La La Land.
- Pope Francis appears in the Popemobile.
- Database is seen hosting a "The Science of Wonder Woman" booth at the STEM Conference.
- Insta-Grandma and its logo is a reference to Instagram and its old logo.
- A robot says Stranger Things 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 Breaking Bad.
- Nelson says "don't be a dingus, I'm the next Charlie Mingus".
- Nelson sings a parody of "My Funny Valentine" to Lisa.
- Chief Wiggum calls Bart "Screwy Pasteur", a reference to chemist Louis Pasteur.
- Marge says the episode was going to be a parody of Moonlight instead of La La Land. This is a reference to the mixup at the 89th Academy Awards 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 X-Men: Apocalypse.
- 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.
- The Simpsons: Tapped Out's Sky Finger, later revealed in the "The End of the Beginning" video during the Winter 2015 event to be Maggie, appears crushing people and cars.
- Props from couch gags are present in the Simpson House garage.
- Gary is seen incorrectly colored at the STEM Conference.