"Rick and Morty" might be one of the most celebrated adult animation shows in the world, but there's another series that has been rocking the airwaves for much longer. " South Park" has been on Comedy Central since 1997 , and it's been a major influence on countless shows, including "Rick and Morty."

At a glance, there seem to be quite a few similarities between "Rick and Morty" and "South Park." Both shows don't shy away from raunchy humor, and they're equally willing to take shots at public figures and pop culture icons. The shows run along parallel lines, but "Rick and Morty" co-creator Dan Harmon consciously makes sure there's one similarity the shows never share. "We have a 'South Park' rule," Harmon told Cinemablend about the "Rick and Morty" writers' room, "which is, 'Let's not pla

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