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.
Wendy is treated like an outcast when she refuses to embrace the promiscuous lifestyle popularized by Paris Hilton; the Stotches ponder Butters' future.
When Rallo is mocked after having to cut his afro off due to lice, Junior takes him under his wing; Freight Train and Cookie leave Cleveland to house sit.
An influx of wealthy African-Americans worries the middle-class citizens of the town; Token moves into the zoo after being shunned by both rich and poor kids.
Cartman pleads with United States Congress to make his potentially life-saving stem-cell research legal, as Kenny struggles through a terminal illness.
The boys sign Butters up for a talk show in order to get a prize, but when they learn that it can't be shared, Cartman takes matters into his own hands.
The library asks Jerry about a book he checked out in 1971 and never returned, so Jerry looks up an old girlfriend for his defense against a library cop.
Michael and his coworkers celebrate their new office space by putting together a pancake luncheon in the parking lot; Dwight and Andy compete for another woman.
Michael's new company struggles to make early morning deliveries; the office tries to get their expense reports in on time when Angela enforces the policy.
Convinced a restaurant placemat is really a treasure map, Peter causes the citizens of Quahog to turn against each other while everyone goes on a hunt.
After finding a twin sprouting from his neck and amputating it out of jealousy, Peter begins to realize he needs his twin's help when he gets in trouble.
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.
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.