Question: "Cartman's Mom Is a Dirty Slut" is the first season finale of the American animated television series "South Park", during the episode, Stan, Kyle and Kenny participate on "America's Stupidest Home Videos", after filming Cartman playing in his yard with plush toys, Kyle Broflovski, is a main character in which TV organization series "South Park"?

Context articles: List of South Park episodes
Kenny McCormick
Cartman's Mom Is a Dirty Slut
Cartman's Mom Is Still a Dirty Slut
Starvin' Marvin (South Park)
Stan Marsh
Kyle Broflovski
Eric Cartman
South Park: Bigger, Longer &amp; Uncut
Cartman Gets an Anal Probe

"South Park" is an American animated television sitcom created by Trey Parker and Matt Stone for Comedy Central that debuted on August 13, 1997.
 The series originated from a pair of animated shorts titled "The Spirit of Christmas", and the first episode of "South Park" originally aired on August 13, 1997 on Comedy Central.
 Intended for mature audiences, the show has become infamous for its crude language and dark, surreal humor that lampoons a wide range of topics.
 The story revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures in and around the eponymous Colorado town.
Kenneth "Kenny" McCormick is a main character in the animated adult television series "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Eric Cartman.
 His oft-muffled and indiscernible speech—the result of his parka hood covering his mouth—is provided by co-creator Matt Stone.
 He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Stone and long-time collaborator Trey Parker in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
"Cartman's Mom Is a Dirty Slut" is the first season finale of the American animated television series "South Park".
 It originally aired on Comedy Central in the United States on February 25, 1998.
 The episode is the highest viewed episode in the entire "South Park" series, with 6.4 million views.
 It is part one of a two-episode story arc, which concluded with "Cartman's Mom Is Still a Dirty Slut".
 The episode follows Eric Cartman, one of the show's child protagonists, becoming curious about the identity of his father.
 He discovers that his father is most likely a man his mother had sexual intercourse with during an annual party called "The Drunken Barn Dance".
 Meanwhile, his friends Stan, Kyle and Kenny participate on "America's Stupidest Home Videos", after filming Cartman playing in his yard with plush toys.
"Cartman's Mom Is Still a Dirty Slut" is the second episode in the second season of the American animated television series "South Park".
 The 15th episode of the series overall, it premiered on Comedy Central in the United States on April 22, 1998.
 The episode concludes the storyline of the season one finale "Cartman's Mom Is a Dirty Slut"; Mephesto is suddenly shot, just as he is about to reveal the identity of Cartman's father.
 The four boys and Chef rush him to Hell's Pass Hospital while the town of South Park experiences a massive blizzard.
"Starvin' Marvin" is the eighth episode in the first season of the American animated television series "South Park".
 It first aired on Comedy Central in the United States on November 19, 1997.
 In the episode, Cartman, Kenny, Kyle and Stan send money to an African charity hoping to get a sports watch, but are instead sent an Ethiopian child whom they dub "Starvin' Marvin".
 Later, Cartman is accidentally sent to Ethiopia, where he learns activist Sally Struthers is hoarding the charity's food for herself.
 In an accompanying subplot, after genetically engineered turkeys attack South Park residents, Chef rallies the residents to fight back, in a parody of the film "Braveheart".
Stanley Randall "Stan" Marsh is the protagonist of the animated television series "South Park".
 He is voiced by and loosely based on series co-creator Trey Parker.
 Stan is one of the show's four central characters, along with his friends Kyle Broflovski, Kenny McCormick and Eric Cartman.
 He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Parker and long-time collaborator Matt Stone in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Kyle Broflovski (sometimes spelled Kyel Broflovski, Broslovski, Broslofski, Brovlofski or Broflofski) is a main character in the Comedy Central series "South Park".
 He is voiced by and loosely based on co-creator Matt Stone.
 Kyle is one of the show's four central characters, along with his friends Stan Marsh, Kenny McCormick, and Eric Cartman.
 He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Stone and long-time collaborator Trey Parker in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Eric Theodore Cartman, often referred to as just Cartman, is a main character in the animated television series "South Park", created by Matt Stone and Trey Parker, and voiced by Trey Parker.
 Cartman, generally referred to by his surname, is one of four central characters in "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Kenny McCormick.
 Cartman first appeared, originally named Kenny, in prototypical form in a 1992 animated short "Jesus vs. Frosty", and a 1995 animated short "Jesus vs. Santa", and first appeared on television in the pilot episode of "South Park", "Cartman Gets an Anal Probe", on August 13, 1997.
South Park: Bigger, Longer & Uncut is a 1999 American adult animated musical comedy film based on the Comedy Central animated television series "South Park".
 The film was directed by series creator Trey Parker and stars the regular television cast of Parker, Matt Stone, Mary Kay Bergman, and Isaac Hayes, with guest performances by George Clooney, Eric Idle and Mike Judge.
 The film follows the four boys Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick as they sneak into an R-rated film featuring Canadian actors Terrance and Phillip and begin cursing incessantly.
 Eventually, their mothers pressure the United States to wage war against Canada for allegedly corrupting their children.
"Cartman Gets an Anal Probe" is the first episode of the American animated television series "South Park".
 It first aired on Comedy Central in the United States on August 13, 1997.
 The episode introduces child protagonists Eric Cartman, Kyle Broflovski, Stan Marsh and Kenny McCormick, who attempt to rescue Kyle's younger brother Ike from being abducted by aliens.