These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: The Simpsons S 11 E 4 Treehouse Of Horror X
"Funny Aneurysm" Moment: A Simpson causing the death of a Flanders family member stops being funny after the episode "Alone Again, Natura-Diddly (only replace "Marge" and "Ned" with "Homer" and "Maude")
Even worse is when the Y2K bug takes over, Dick Clark says "Oh, no, it's happening" and melts to reveal a robotic skeleton (a la the T1000 in Terminator 2: Judgment Day). Back then, it was just a joke about Dick Clark's seemingly perpetual youth. Now, it's not so funny thanks to the stroke he had in 2004 and his death in 2012.