Chris cares for his girlfriend's twins after she is deported, but when the family learns she will be unable to return, they bring her children to her in Mexico.
Four elementary school students and their friends have wild misadventures, often acting as a voice of reason amid the crazy events that plague their town.
Cartman dresses up like a robot and moves in with Butters to learn all his secrets and use them against him; the Army believes Cartman is a secret weapon.
Kyle and Cartman spar over their proposals when People for Ethical Treatment of Animals pressures South Park Elementary to drop the cow as its school mascot.
A secret from the gang's past comes back to haunt them when a former friend is released from a juvenile prison after taking the fall for their shenanigans.
Randy gets in trouble as he pursues an opportunity for Tegridy in China; Stan starts a band to vent his frustration over having to move away from South Park.
Wendy is treated like an outcast when she refuses to embrace the promiscuous lifestyle popularized by Paris Hilton; the Stotches ponder Butters' future.
Kenny becomes the center of media attention after medical science threatens to prevent his soul from leading Heaven's defense against Satan's overwhelming army.
The boys fake Butters' death and reintroduce him to the girls as Marjorine so he can infiltrate a slumber party and learn about a fortune-telling device.
After encountering what appears to be a talking whale at a sea park, the boys decide that it is their duty to return the creature to its native habitat.
Towelie writes a book that gets selected for Oprah's book club and helps a lot of people with their addictions, until one of Oprah's staff lets the truth out.
Cartman gets upset that unruly behavior is occurring around him, as the new hall monitor helps Kyle end his little brother's affair with a hot teacher.
When Canada decides to go on a long and painful strike, the boys must resolve the problem; Danish citizens migrate to the U.S. to replace the Canadians.
Mr. Garrison takes the class on a field trip to a living museum based around life in the 1800s; Cartman makes Butters go to the amusement park next door.
Chris unexpectedly becomes homecoming king; but when Meg learns that the cool kids are planning to prank him during the homecoming ceremony, they investigate.
When Brian falls in love with a tech support worker in India, he and Stewie go to India to find her; Peter becomes the center of attention at Joe's bingo night.
The rest of the town takes a cue from Mr. Garrison and decides to get in touch with their feminine side; Kyle hopelessly fails trying to play basketball.