SpongeBob SquarePants does a have couple more episodes that relentless torture a single character, but this episode is the worst of all, and it's obviously the worst episode of the whole show
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Top 10 Cartoon Episodes That Relentlessly Torture A Single Character
I find this one more comedic. You just don't know what's going to happen next; that's what makes the punchline of reality come crashing on him even more hilarious.