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Homer becomes the new Grim Reaper (not unlike the ''WesternAnimation/FamilyGuy'' episode that [[RecycledScript did the same story]]), Professor Frink is a MadScientist trying to build a corporeal body for the spirit of his dead father (played by none other than the inspiration for Professor Frink's character, Jerry Lewis), and Bart and Milhouse buy a stopwatch that manipulates time.

!! Tropes:

* AndThisIsFor: When Homer killed the Grim Reaper, he said it was for Snowball and Kennedy.
* BeCarefulWhatYouWishFor: At the end of the final segment, when Lisa realises what Bart has been doing with the stopwatch, she asks, "Why can't I tinker with the fabric of existence?" Homer has Bart give her the stopwatch, and she notices a red button on it. She presses it to see what it does, only for the rest of the family's bodies to split into rockets. She ends up changing them multiple times, trying to correct her error.
* BigNo: Homer's reaction upon the idea of a world without death meaning [[TakeThat Jim Belushi would never be cancelled]].
* TheBusCameBack: The "Scary Names" for the credits return after being absent for 2 Halloween specials. Al Jean's "Scary Name" credit lampshaded this.
* {{Fanservice}}: A female crossing guard in Sweden is depicted working completely naked for no reason.
* {{God}}: He tries and ultimately fails at chasing Homer, only for him to give up and to admit that he's "too old and too rich for this."
* GroinAttack: That was how the Grim Reaper's robe forced Homer to take on the job.
** Ditto on how Frink kills his re-animated father.
* LaserGuidedKarma: Happened instantaneously to Nelson, who Bart and Milhouse bring into the scene to laugh at a naked Homer, only for ''his'' clothes to disappear before he can finish his SignatureLaugh.
* RuleSixtyThree: [[https://frinkiac.com/img/S15E01/1252876.jpg Briefly happens to Homer, Marge, Bart, and Maggie]] when Lisa keeps messing with the watch at the end. On the upside, this is the first change that restores Bart to his original age.
* ScoobyDoobyDoors: As Death tries to take Bart, he gives him chase, setting up a hilarious game of this, complete with [[Series/TheBennyHillShow "Yakety Sax"]] to top off the scene.
* SuicideAsComedy: After realizing all of the doughnuts in the break room keep disappearing before he gets a chance to eat them, Homer decides to stab himself in the stomach...only for the boys to replace the knife with a banana at the last second.
* TakeThat: The aforementioned BigNo example regarding Jim Belushi.
* WhatDoesThisButtonDo: When Lisa gets the stopwatch, she gets curious over its red button. She ends up repeatedly changing the other Simpsons with each press of the button.