[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/the_trouble_with_trillions.png]]
Homer (like most of us in RealLife and practically every Springfielder who isn't a Flanders) waits until the last minute to file his tax return, and the IRS has jailtime in store for Homer -- unless Homer plays spy to retrieve a trillion-dollar bill that Mr. Burns was supposed to deliver to post-WorldWarII Europe to pay for reconstruction and stimulate the economy.

!!Tropes:
* AllOfThem: The reasons for visiting Cuba are: business/pleasure; smuggle cigars; assassinate Castro. Homer checks all of them.
* BoxedCrook: Homer agrees to work as an IRS snitch to avoid going to jail.
* CallBack: When Kent Brockman asks Krusty the Clown why he waited till the last minute to file his taxes, he says [[SarcasmMode "Because I'm an idiot. Happy?"]] Evidently, he hasn't gotten over his brush with the IRS in "Bart the Fink".
* TheDeadRiseToAdvertise: A billboard of Che Guevera is seen advertising Duff Beer.
* DiscoDan: Mr. Burns' out-of-touch-with-the-times tendencies are in full display here. He thinks Homer is a reporter for ''Collier's'', which had ceased publication in 1957 (although it was briefly revived in 2012), and while in Cuba, has no idea [[http://en.wikipedia.org/wiki/Fulgencio_Batista Batista]] was no longer in power. He also identifies a taxi as "the new Packard they've been talking about."
* DoesThisMakeMeLookFat: Homer asks this about the wire he has to wear under his shirt.
-->'''Lisa:''' No, it makes you look like a tool of government oppression.\\
'''Homer:''' But not fat.
* DudeWheresMyRespect: Smithers is upset when Mr. Burns doesn't appreciate the dinner he prepared, saying "Sometimes, I don't know why I bother..."
* ExactWords: Doubles with PoliceAreUseless. When Homer, Smithers and Burns escape from Burns' mansion, Chief Wiggum receives a radio message to look out for Burns' maroon-coloured car. When it drives by, Wiggum notes the car is more of a burgundy and does nothing.
* FrenchJerk: Apparently, this trait started because Burns stole the trillion dollar bill meant for Europe.
* HistoricalInJoke: Mr. Burns has the suit Creator/CharlieChaplin was buried in, which suggests that Burns was the one who stole Chaplin's coffin in 1978, a few months after Chaplin's death and funeral.
* HorribleJudgeOfCharacter: Everyone who expected Mr. Burns to be the most reliable person to deliver the trillion-dollar-bill just because he's America's richest person.
** Mr. Burns simply gives the dollar bill to the president of Cuba, who is an extremely corrupt man. When Mr. Burns asks him to give it back, the president just asks what, taking the money away and putting Mr. Burns, Smithers, and Homer on a meager rack in the middle of the ocean.
%%* IntimidatingRevenueService
* MixedMetaphor: While reporting the midnight rush for mailing taxes, Kent Brockman says "It's literally the eleventh hour: 10 PM!".
* OhCrap[=/=]ThisIsGonnaSuck: The [[http://www.springfieldspringfield.co.uk/view_image.php?tv-show=simpsons&image=s09e20_196 look on Homer and Smithers' faces]] after they remind Mr. Burns that he's flying the plane...and he's about to attempt a landing.
* ThePasswordIsAlwaysSwordfish: The codeword to activate the secret film strip about the trillion dollar bill in the mall's photo booth is "cheese". Apu inadvertently activates it right after Homer and the IRS agent leave.
* ScrewTheRulesIHaveMoney: How Mr. Burns intends to avoid punishment.
-->'''Mr. Burns:''' And if it's a crime to bribe a jury, then so help me, I'll soon be guilty of that!
* SkewedPriorities: Homer has just a few minutes to file his tax return and won't stop for anything... other than a [[BigEater hot dog]].
* SuicidePill: Homer almost takes his when he thinks Mr. Burns is onto him. He considers taking it again when Burns tells him they're going to walk.
* TaxmanTakesTheWinnings: There's one scene with the Sea Captain taking a necklace from a treasure chest and placing it inside an envelope while waiting for his turn to mail his tax forms. He's wondering why he bothered to pillage that treasure.
* TemptingFate: While showing the big lines of people who waited until the last day to file their tax returns, Kent Brockman isn't worried because he'd previously sent his tax data to an accountant. Said accountant then shows up and is just as worried as everybody else.
* ThisPageWillSelfDestruct: The film the IRS shows to Homer ends with "This film will self destruct... if improperly stored."
* VacationEpisode: Homer, Smithers and Burns travel to Cuba in the final act.
* WhenTheClockStrikesTwelve: The post office closes at midnight and everyone who waited until the last day to file their tax return must do so until then.
* ZillionDollarBill: The trillion dollar bill meant for the reconstruction of Europe after WWII, but pocketed by Mr. Burns.
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