Ending credits are written in cursive, and music played is from 1929 George Olsen's "That's You, Baby" song.
The production code for this episode PABF18 is seen as the license plate # on Marge's new car.
The usual opening sequence isn't seen in this episode. Instead, it starts off with Homer reluctantly going to the polls to vote for the U.S. President. When Homer votes for Mitt Romney, he views his tax returns on the monitor where he learns some juicy secrets that make him want to report it all to the press. But instead, he's pulled into a giant vacuum that outsources him to a job in a U.S. flag-making factory in China. Initially, he's grateful for having a steady job, but then quickly dismayed when he's joined by his sister-in-law Selma.
When this episode is rerun, an opening sequence is seen which starts off with Itchy flying a plane, having Scratchy tied to its propeller when the show title appears. There are no Billboard or Chalkboard gags, but the Couch gag shows sheets of an animation cel of the living room. The Simpsons are first seen as dark shadow figures, then as each page drops in, more of their bodies are shown, beginning with their skeletons, their brains and vascular systems, their internal organs, then their skulls and ribs. At this point, Homer pulls out a donut in his stomach. Finally, their muscles, then their skin, hair, and clothing are seen, and afterward, Homer begins eating the donut.
This episode was originally scheduled to air on 21 Oct; but because of the need for a game 6 of baseball's NLCS it is had been delayed two weeks to also allow time for the World Series.
The news caption for the sinkhole, "Sink-O De Mayo", is an allusion to Cinco de Mayo.
Comic Book Guy mentions that the sinkhole is larger than the Sarlacc Pit which swallowed Boba Fett but is smaller than the Geonosis Battle Arena where Jango Fett was beheaded by Mace Windu, references to Star Wars Episode VI: Return of the Jedi and Star Wars Episode II: Attack of the Clones.
The car model Tissan is a parody of Nissan.
The premise of Lenny and Carl reminding Homer of his sperm donation is more of a reference to the film The Babymakers.
The episode's title is a reference to the 1987 film Adventures in Babysitting.
Crouching Tiger, Hidden Dragon
One of the restaurants Lisa walks by is called Crouching Panda, Hidden Egg Roll, a title that parodies the above-titled 2000 martial arts action movie.
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