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.
The boys hope a machine built by two Star Trek nerds will allow them to travel in time back to the third grade; Mr. Garrison makes a shocking announcement.
Cartman buys a brand new trapper keeper for school, which blows Kyle's notebook out of the water, but a stranger announces that it will take over the world.
Cleveland's attempts to teach Junior responsibility erupt in a father-son feud; Roberta competes with a rich girl and gets more than she bargained for.
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.
Inspired by a corporate spokesman's phenomenal weight loss, the boys hatch a plan to get free food from their favorite restaurant by fattening Butters up.
Dreams of a free vacation to Aspen turn into living nightmares when the parents are sucked into a condo presentation and the kids cope with ski challengers.
The boys, excited about the Terrance and Phillip film, sit in front of the TV to catch a glimpse of the movie by watching the trailer during a commercial break.
Father Maxi heads to the Vatican to attend a conference on the recent troubles faced by the Catholic Church; the townspeople find an innovative way to eat food.
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.
A minor scandal breaks out in Pawnee and Leslie is forced to go on damage control when it blows out of proportion; Ben tries to encourage Ron to write a Will.
An emergency late-night filibuster forces Leslie to make an early exit from birthday party she had thrown for Ben; Ron and Donna decide to go hunting together.
Michael acts on horrible advice and brings a stripper to a wedding shower being held in honor of Phyllis; Karen talks with Pam about her relationship with Jim.
Phyllis quickly regrets her decision to allow Michael to participate in her wedding after he repeatedly embarrasses her; Pam remembers her own wedding plans.
Ryan asks Michael to come to his business school as a guest speaker; when a bat gets loose inside the office, Dwight goes into combat mode; Pam's art show.
While attending a business party, Michael and Jan admit their relationship, and Jim encounter's Karen's ex-boyfriend; everyone else decides to go to happy hour.
Darryl holds a meeting with Michael to discuss the opportunity for a pay raise; after Pam makes her confession to Roy, Jim is left to deal with the outcome.
Andy returns from anger management with a new outlook on life; Michael and Dwight begin teaching safety lessons to their co-workers to prepare them for danger.
An offensive watermark affects a large shipment of Dunder Mifflin paper and causes commotion in the office; prom invitations were printed on the paper.
When Michael is asked to apply for a job at corporate, he decides that his promotion is guaranteed and moves on to find his replacement with a competition.
When Lois and her mother, Babs, go out for a relaxing spa day, Peter is stuck with entertaining Lois' father, Carter; the guys are duped by an email scam.
When Peter is introduced to the world of phone apps, he becomes obsessed and overloads his phone with them before purchasing a new phone with more storage.
In an attempt to keep their children safe from kidnappers, the parents hire the owner of City Wok to build the Great Wall of South Park to surround the city.
The boys set off on a mythical quest to return a copy of the "The Lord of the Rings" movie to their local video store, while defending it from sixth graders.
The boys are sentenced to Tolerance Camp after they complain about Mr. Garrison's scheme to use his gay lifestyle to get fired from teaching the fourth grade.