The Left Behinders!/References

References/Trivia

Cultural references

The story title and plot are a parody of the film series Left Behind.
Krusty's guests on his show include Bill Gates, Oprah Winfrey, and Barack Obama, all of who are left-handed in real life.
When Ned is trying to figure out why he got left behind, he says that "it's time for Sherlockin'", a reference to Sherlock Holmes.
The password for the storage center for the Nuclear Power Plant accidents was changed from Clara Bow to Benedict Cumberbatch.
When Professor Frink tries to increase the intelligence of his lab monkeys, they change to become similar to the apes from Planet of the Apes.
Bart says that Ned is like Mad Max meets Mr. Rogers.
When Mr. Burns takes the vaccine to turn a left-handed person right-handed from Professor Frink, Frink exclaims "sweet Hawking's theorem!"
Kodos says that they are a "Jupiter's Witness" and Kang is a "Sci-Fientologist", a reference to the Jehovah's Witnesses and Scientology.
Kang says "All hail Bradbury!"