<Tr> <Td_colspan="2"> ← Previous Season 20 </Td> </Tr> <Tr> <Td_colspan="2"> List of South Park episodes </Td> </Tr> <P> The twenty - first season of the American animated sitcom South Park premiered on Comedy Central on September 13, 2017, and contains ten episodes . </P> <P> This season had planned "dark weeks" (weeks where no new episodes would air) after episode three, episode six, and episode eight . </P>

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