The thirteenth season of South Park, an American animated television comedy series, originally aired in the United States on Comedy Central between March 11 and November 18, 2009. The season was headed by the series creators Trey Parker and Matt Stone, who served as executive producers along with Anne Garefino. The season continued to focus on the exploits of protagonists Stan, Kyle, Cartman, Kenny and Butters in the fictional Colorado mountain town of South Park. The season was the first of three new seasons Parker and Stone agreed to produce for the network under a renewal deal. It consisted of fourteen 22-minute episodes, which aired in two groups of seven episodes separated by a six-month gap. Prior to the season's premiere, all South Park episodes were made available for free viewing on the official series website, South Park Studios. The 13th season was the first to be broadcast in high definition and in widescreen. Continuing their practice from previous seasons, Parker and Stone wrote and produced each episode within the week before its broadcast date. The 13th season satirized such topics as the ACORN scandal, Japanese whaling, piracy in Somalia and the marketing tactics of the Walt Disney Company. Celebrities were spoofed throughout the season, including the Jonas Brothers, Kanye West, Carlos Mencia, Paul Watson and Glenn Beck, all of whom publicly responded to their portrayals. The episode "Fishsticks" attracted particular media attention due to rapper Kanye West's declaration that its jokes about his arrogance were funny but hurt his feelings. "The F Word", in which the central characters attempt to change the definition of the word "fag", was especially controversial and prompted complaints from the Gay & Lesbian Alliance Against Defamation. A broadcast of "Pinewood Derby" in Mexico was pulled, allegedly due to its depiction of Mexican President Felipe Calderón. "Fatbeard" was praised by the crew of the USS Bainbridge, which was involved in the 2009 rescue of the MV Maersk Alabama from Somali pirates.
Thinking it's his way into her heart and other body parts, Kenny takes his new girlfriend to a Jonas Brothers concert. His dream of taking their relationship to the next level is crushed when the Jonas Brothers give them purity rings.
“The Coon” rises from the trash and takes his place as a lone vigilante who wipes out crime in the town of South Park. A rival superhero appears on the scene in the form of “Mysterion” and challenges the Coon’s place as a “symbol” for the town.
Randy steps forward with a solution to fix the desperate financial state everyone finds themselves in. The town gets behind him and everyone starts to live a life that no longer depends on any economy at all. Meanwhile an unlikely savior makes the ultimate sacrifice to solve everyone’s problems.
Someone played an April Fools joke on the boys and it didn't go over well. Butters is incapacitated, Cartman is furious and the rest of the boys are afraid someone might do it again.
Cartman decides to help Jimmy with his comedy routine. Everyone loves the new joke they come up with. The joke starts to take off and it even hits all the late night talk shows. The boys are thrilled with how popular it’s become until somebody tries to take all the credit.
Randy is determined that Stan will win this year's Pinewood Derby. He comes up with a plan that will assure Stan a first place trophy.
Butters and a small group of recruits join Cartman in his dream of living on skull island. Cartman promises that paradise awaits if they can just get to Somalia.
Powerful forces are tormenting Ike. He's freaked out and the stress could kill him. Kyle and the boys are doing everything they can to save him but the poltergeists won't leave Ike alone.
Butters has made it all the way to the 4th grade without ever kissing a girl. All of his friends have been teasing him mercilessly. Butters is determined to catch up with the rest of the boys in his class. Meanwhile, one overly dedicated cop wages war on prostitution in South Park.
The boys have found their new calling in life and they hurry to sign up for the wrestling club. They soon find out the kind of wrestling they teach at school is not the same thing they saw at the WWE.
Stan and his family are spending his birthday at the Denver Aquarium where they will get to swim with the dolphins. Things turn bloody when the Japanese attack, kill all the dolphins and ruin Stan’s big day. There seems to be no end to the senseless killing. Stan takes on the cause to save the dolphins from the Japanese.
Everyone agrees they've had enough of the loud and obnoxious bikers that have arrived in South Park. The boys are taking on the Harley Riders. They thrown down the F word and the game is on.
Eric Cartman seizes the opportunity to become the voice of change at the school when he takes over the morning announcements. His target is South Park Elementary’s Student Body President, Wendy Testaburger. Cartman is asking the tough questions and gaining followers.
Things at the water park are not what they seem. The boys' fun filled day is about to turn deadly. Events are in play at Splash Town that signal the end of the world is upon us. Cartman tries to warn everyone but no one will listen. Disaster is about to strike and the boys are in a race to survive.