Meg is instantly seen as the hottest employee at her new job; Cleveland becomes a therapist and helps Peter and Lois with their relationship, frustrating Peter.
Peter ends up a town hero when he discovers a missing boy; Joe quits his job and goes on a road trip with Peter, Quagmire and Cleveland to Niagra Falls.
Brian becomes more well-behaved after going through obedience school, but Peter misses his lively behavior and wants the old Brian back; Chris feels used.
When Stan's dad takes the boys to a local water park, the fun-filled day turns into a deadly disaster as shocking events begin to signal the end of the world.
Cartman's favorite fried chicken restaurant is closed down and replaced by a store that sells medicinal marijuana to people with a physician's reference.
Despite his doubts about making it to the top, Cartman becomes determined to do whatever it takes to race in the NASCAR circuit, with Butters as his pit boss.
Stan and Mr. Mackey deal with their hoarding addictions, which allows Stan to see what it was like for Mr. Mackey in the fourth grade at South Park Elementary.
South Park Elementary's Special Education department decides to begin an annual comedy award ceremony, and Jimmy is given the opportunity to serve as host.
Cartman starts a new business in South Park called "The Crack Baby Athletic Association," and he invites Kyle to get in the company on the ground floor.
Butters discovers that he has been diagnosed with multiple personality disorder; a psychologist attempts to help Butters figure out what is happening to him.
After discovering that he is afflicted with Asperger's Syndrome, Cartman develops a unique way of coping with his ailment that even Kyle and Kenny accept.
After deciding to join the U.S. Border Patrol, Cartman soon begins to realize that he possesses a skill for stopping illegal aliens from entering into America.
The kids at South Park Elementary all gang up on Cartman after they are punished due to the fact that he has thrown off the school's physical fitness curve.
Jerry is transfused with Kramer's blood after a mishap in the kitchen; George forms an unhealthy connection between food and sex; Elaine fails to babysit well.
Tired of the endless junk mail, Kramer hatches a plan to stop receiving his mail; Elaine dates a new guy that turns out to be an actor from an old commercial.
After finding old pieces from the set of the "Merv Griffin Show" in a dumpster, Kramer transforms his place into a talk show; Elaine does battle with a co-worke
Dissatisfied with the quality of the meat in his sandwiches, Kramer gets a meat slicer; Jerry develops a skin condition and blames his new doctor girlfriend.
Elaine and the gang head to India to attend a wedding; Jerry betrays George by sleeping with his prospective girlfriend; Kramer grapples with a malignant wish.
Pam's contractions start but she and Jim are determined to wait it out so that they can have more time together, and the rest of the office tries distractions.
Michael becomes suspicious of his girlfriend and thinks she is cheating on him, so Dwight investigates; Andy is frustrated when his complaint is ignored.
Michael refuses to fire the new office assistant despite getting complaints; Andy plays it cool when Erin is interested in someone else; Pam pulls a prank.
Peter joins a group of mean girls after his old crowd of friends "roast" him, but Lois points out they likely say negative things about him behind his back.
Stewie is prescribed Adderall after being diagnosed with A.D.D., which Brian uses to write a 2,000-page pitch to author George R.R. Martin at a convention.
After viewing a television special on The History Channel, the boys begin to believe that extraterrestrials were involved in the original Thanksgiving feast.
When a catastrophe results from one of the boys forgetting to put the toilet seat down after relieving himself, a government agency is called in to fix things.
Stan decides to raise awareness about the national epidemic of bullying by shooting a big dance video; Butters becomes the victim of an unlikely bully.
The boys run into trouble in the Colorado Mountains and find themselves attempting to survive all alone in the wild while waiting for someone to rescue them.
When Cartman begins to experience romantic feelings for a new girl at school, he decides to make a gesture in order to keep anyone from getting between them.