The Trouble with Trillions/References

Cultural references

 * The episode title is a pun on the Star Trek original series episode "".
 * The scene where Homer is pressed into FBI service was taken directly from the 1991 movie .
 * Similarly, Agent Johnson, one of the FBI Agents who placed Homer on the job, was apparently named after one of the FBI Agents from .
 * When questioned by Kent Brockman in regards to why he procrastinated in regards to the Tax deadline, Otto remarks that he thought that the tax-line was actually the line for a Metallica concert.
 * Mr. Burns claims that he owns the suit that was buried in, a reference to the fact that Charlie Chaplin's body was stolen from a cemetery in Switzerland.
 * When Fidel Castro remarks that Americans aren't all that bad as they named a street after him, he reacts in shock and horror when he learns just who dwells on that street—a reference to in, a street that is an iconic gay community (although its true namesake was , who was a governor of the Alta California territory while it was still part of Mexico).
 * One of the signs in Cuba was based on a poster, altered to say "Duff O Muerto!"
 * Charlie's statement "My militia has a secret plan to beat up all sorts of government officials. That'll teach them to drag their feet on high-definition TV" satirizes those who believe random acts of violence against uninvolved parties will force the government to exercise authority it doesn't have.
 * The song Smithers sings in his apartment is ' from the musical '

Continuity

 * The guys at Moe's Tavern mention Homer's various illegal activities.
 * Running a moonshine operation. ("Homer vs. the Eighteenth Amendment")
 * Running a Telemarketing scam. ("Lisa's Date with Density")
 * Beating up George Bush (though Moe claims it was Barney who did it). ("Two Bad Neighbors")
 * Karl is seen at the post office. ("Simpson and Delilah")
 * Lucius Sweet is seen at the IRS offices. ("The Homer They Fall")
 * The IRS is seen again. ("Bart the Fink")