Whether official or not, there has always been a degree of competition or at least playful pokes between the most established and beloved animated series of all time. Infamously, South Park took a shot at Family Guy when an episode "exposed" the writer as a dolphin who selects random prompts to deliver the show's signature non-sequitur comedy styling. The fan-favorite show also had an episode where Butters was constantly thwarted by the line "Simpsons Did It" when trying to wreak havoc as Professor Chaos.

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