<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 . This season had planned "dark weeks" (weeks during which no new episodes would air) after episode three, episode six, and episode eight . </P> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 278 </Th> <Td> </Td> <Td> "White People Renovating Houses" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> September 13, 2017 (2017 - 09 - 13) </Td> <Td> 2101 </Td> <Td> 1.68 </Td> </Tr> <Tr> <Td_colspan="8"> Randy and Sharon start a home renovation show that is threatened . Cartman's relationship with Heidi becomes strained and he grows attached to his Amazon Alexa . </Td> </Tr> <Tr> <Th> 279 </Th> <Td> </Td> <Td> "Put It Down" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> September 20, 2017 (2017 - 09 - 20) </Td> <Td> 2102 </Td> <Td> 1.25 </Td> </Tr> <Tr> <Td_colspan="8"> Tweek and Craig's relationship is strained . Cartman begs Heidi to take him back but claims suicidal thoughts . Everyone else is busy mourning people killed by distracted drivers . </Td> </Tr> <Tr> <Th> 280 </Th> <Td> </Td> <Td> "Holiday Special" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> September 27, 2017 (2017 - 09 - 27) </Td> <Td> 2103 </Td> <Td> 1.25 </Td> </Tr> <Tr> <Td_colspan="8"> A relationship is formed when Randy kisses a Native American man . </Td> </Tr> <Tr> <Th> 281 </Th> <Td> </Td> <Td> "Franchise Prequel" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> October 11, 2017 (2017 - 10 - 11) </Td> <Td> 2104 </Td> <Td> 1.12 </Td> </Tr> <Tr> <Td_colspan="8"> The Coon and Friends members struggle to start a superhero franchise while fake news gets spread about them through Facebook . </Td> </Tr> <Tr> <Th> 282 </Th> <Td> 5 </Td> <Td> "Hummels & Heroin" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> October 18, 2017 (2017 - 10 - 18) </Td> <Td> 2105 </Td> <Td> 0.93 </Td> </Tr> <Tr> <Td_colspan="8"> Opiates cause a problem in South Park and Stan is believed to be responsible . </Td> </Tr> <Tr> <Th> 283 </Th> <Td> 6 </Td> <Td> "Sons a Witches" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> October 25, 2017 (2017 - 10 - 25) </Td> <Td> 2106 </Td> <Td> 1.22 </Td> </Tr> <Tr> <Td_colspan="8"> When a witch causes problems for South Park's Halloween, Cartman looks for a way to take advantage . </Td> </Tr> <Tr> <Th> 284 </Th> <Td> 7 </Td> <Td> "Doubling Down" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> November 8, 2017 (2017 - 11 - 08) </Td> <Td> 2107 </Td> <Td> 1.13 </Td> </Tr> <Tr> <Td_colspan="8"> Kyle is fed up with Cartman's abuse towards Heidi and gets involved . President Garrison's advisers worry about some of his recent actions . </Td> </Tr> <Tr> <Th> 285 </Th> <Td> 8 </Td> <Td> "Moss Piglets" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> November 15, 2017 (2017 - 11 - 15) </Td> <Td> 2108 </Td> <Td> 1.09 </Td> </Tr> <Tr> <Td_colspan="8"> Timmy and Jimmy's science project catches the attention of some very important people . Heidi begins to resemble Cartman, earning the disapproval of her peers and Cartman . </Td> </Tr> <Tr> <Th> 286 </Th> <Td> 9 </Td> <Td> "Super Hard PCness" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> November 29, 2017 (2017 - 11 - 29) </Td> <Td> 2109 </Td> <Td> 0.90 </Td> </Tr> <Tr> <Td_colspan="8"> PC Principal falls in love with the new vice-principal . Kyle realizes how wrong Terrance and Philip are . </Td> </Tr> <Tr> <Th> 287 </Th> <Td> 10 </Td> <Td> "Splatty Tomato" </Td> <Td> Trey Parker </Td> <Td> Trey Parker </Td> <Td> December 6, 2017 (2017 - 12 - 06) </Td> <Td> 2110 </Td> <Td> 0.97 </Td> </Tr> <Tr> <Td_colspan="8"> The President, Mr. Garrison, continues to cause problems for the children of South Park . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr>

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