Criticism
The show's frequent depiction of taboo subject matter, general toilet humor, accessibility to younger viewers, disregard for conservative sensibilities, negative depiction of liberal causes, and portrayal of religion for comic effect have generated controversy and debate over the course of its run.
As the series became popular, students in two schools were barred from wearing South Park-related T-shirts, and the headmaster of a UK public school asked parents not to let their children watch the programme after eight- and nine-year-old children voted the South Park character Cartman as their favorite personality in a 1999 poll. Parker and Stone assert that the show is not meant to be viewed by young children, and the show is certified with TV ratings that indicate its intention for mature audiences. In 1999, they went on record to cancel the release of the Game Boy Color game based on the series, as Parker and Stone determined that a game based on an adult animated series would be inappropriate for a console whose core demographic consisted of children.
Parents Television Council founder L. Brent Bozell III and Action for Children's Television founder Peggy Charren have both condemned the show, with the latter claiming it is "dangerous to the democracy". Several other activist groups have protested the show's parodies of Christianity and portrayal of Jesus Christ. Stone has stated that parents who disapprove of South Park for its portrayal of how kids behave are upset because they "have an idyllic vision of what kids are like", adding "[kids] don't have any kind of social tact or etiquette, they're just complete little raging bastards".
The show further lampooned the controversy surrounding its use of profanity, as well as the media attention surrounding the network show Chicago Hope's singular use of the word shit, with the season five premiere "It Hits the Fan", in which the word shit is said 162 times without being bleeped for censorship purposes, while also appearing uncensored in written form. In the days following the show's original airing, 5,000 disapproving e-mails were sent to Comedy Central. Despite its 43 uncensored uses of the racial slur nigger, the season 11 episode "With Apologies to Jesse Jackson" generated relatively little controversy, as most in the black community and the NAACP praised the episode for its context and its comedic way of conveying other races' perceptions of how black people feel when hearing the word.
Specific controversies regarding the show have included an April Fools' Day prank played on its viewers in 1998, its depiction of the Virgin Mary in the season nine (2005) finale "Bloody Mary" that angered several Catholics, its depiction of Steve Irwin with a stingray barb stuck in his chest in the episode "Hell on Earth 2006", which originally aired less than two months after Irwin was killed in the same fashion, Comedy Central's censorship of the depiction of Muhammad in the season 10 episode "Cartoon Wars Part II" in the wake of the Jyllands-Posten Muhammad cartoons controversy and consistent mockery of the concept of climate change by using climate change denialist talking points.
The season nine (2005) episode "Trapped in the Closet" denounces Scientology as nothing more than "a big fat global scam", while freely divulging church information that Scientology normally only reveals to members who make significant monetary contributions to the church. The episode also ambiguously parodies the rumors involving the sexual orientation of Scientologist Tom Cruise, who allegedly demanded any further reruns of the episode be canceled. Isaac Hayes, a Scientologist, later quit South Park because of his objection to the episode.
The season fourteen episodes "200" and "201" were mired in controversy for satirizing issues surrounding the depiction of the Islamic prophet, Muhammad. The website for the organization Revolution Muslim, a New York-based radical Muslim organization, posted an entry that included a warning to creators Parker and Stone that they risk violent retribution for their depictions of Muhammad. It said that they "will probably wind up like Theo van Gogh for airing this show". The posting provided the addresses to Comedy Central in New York and the production company in Los Angeles. The author of the post, Zachary Adam Chesser (whose alias is Abu Talhah al-Amrikee), said it was meant to serve as a warning to Parker and Stone, not a threat, and that providing the addresses was meant to give people the opportunity to protest.
Despite Chesser's claims that the website entry was a warning, several media outlets and observers interpreted it as a threat. Comedy Central censored the episode's broadcast in response, by bleeping out several speeches and covering Mohammed's appearances with a giant "censored" label. Support for the episode has come in the form of Everybody Draw Mohammed Day, a movement started on Facebook that encourages people to draw Muhammad on May 20. The "200" episode, which also depicted the Buddha snorting cocaine, prompted the government of Sri Lanka to ban the series outright.
Due to many taboo topics in China—such as Dalai Lama, Winnie the Pooh, labor camps, freedom of speech and cannabis culture—being involved in the season 23 (2019) episode "Band in China", South Park was entirely banned in China after the episode's broadcast. The series' Baidu Baike article, Baidu Tieba forum, Douban page, Zhihu page and Bilibili videos have been deleted or made inaccessible to the public, all related keywords and topics have been prohibited from being searched and discussed on China-based search engines and social media sites including Baidu, QQ, Weibo and on WeChat public platforms. Parker and Stone issued a sarcastic apology in response.