On a Clear Day I Can't See My Sister/References

Cultural references

 * The title is taken from the musical .
 * The episode's couch gag (which shows the house, Springfield, the continent, the planet, the Milky Way, and the universe, and finally goes back to Homer's body) spoofs the 1977 science education movie . The gag was first used in "The Ziff Who Came to Dinner."
 * Sprawl-Mart is a parody of, in spite of the sign outside that says it isn't.
 * In one scene, a sign outside Sprawl-Mart says "Don't Watch 60 Minutes This Week," a reference to controversies involving Wal-Mart ending up being covered on .
 * The title of the restraining order instructional video, Get Out of My Dreams and Also Out of My Car: A Guide to Your Restraining Order, is a pun on the song "" by.
 * Songs/music used:
 * The song playing during the "Lisa poking Bart" montage is "" by.
 * When Bart drops his pants to pee outdoors ("The world is my toilet now!"), the music playing is the theme from .
 * During the montage showing Bart living with a pack of wild dogs, the music playing is from 's .
 * At the very end, while the wicker statue burns, the Simpsons play (and dance to) "Tijuana Taxi" by & the Tijuana Brass.
 * The wicker statue of Lisa that Bart builds is a reference to the 1973 film . The came out about ten months after the episode first aired.
 * Jimbo calls the Lisa statue "The Wicker Witch of the West," referencing both The Wicker Man and The Wizard of Oz.
 * Bart's plea to Lisa to "Look in your heart" is a reference to the 1990 Coen Brothers film .

Trivia

 * This is the first episode written by former Futurama writer Jeff Westbrook.
 * Nelson is wearing a T-shirt that says "Glaciers Suck," and says it's part of his "Things Suck" line of clothing. Bart had a similar idea in "Fat Man and Little Boy."
 * Grampa was earlier seen working at Sprawl-Mart in the episode "The Fat and the Furriest."
 * Gary Busey is the first celebrity this season to host a Troy McClure-esque video. A few episodes later, Robert Wagner would do the same.
 * Following someone around on whom you have a restraining order (as Lisa does to Bart) is considered abuse of the order and is grounds for having it removed.
 * Dr. Hibbert pokes Bart with a syringe in the exact same places that Lisa poked him with her 20-foot-pole.

Goofs

 * Samantha Stanky from "Bart's Friend Falls in Love" is clearly visible in the field trip; however, in the episode, she first appeared in, she was sent to a girls-only school.
 * In the first few shots, Richard has white hair.