The boys attend an anti-war demonstration as an excuse to skip school for the day; Timmy and Jimmy form their own gang; and the boys are given detention after art class.
The boys find a cache of martial arts weapons; Cartman dresses up as a Japanese robot; and Jimmy buys steroids to help his performance in the Special Olympics.
Kenny takes his new girlfriend to a Jonas Brothers concert; Cartman becomes a vigilante; and the town struggles to cope with the economic downturn.
Kyle and Butters are accused of being sex addicts; Butters is hailed as a literary genius; and Randy deliberately gets testicular cancer.
Kyle helps to develop the latest must-have gadget; Jimmy insults the Germans at South Park Elementary's first comedy awards ceremony; and the Prince of Canada's bride is abducted during her wedding.
Clyde ignores advice and leaves the toilet seat up after use; Cartman launches a gemstones network show; and humanity begins to evolve at a rapid pace.
In Season 19, Cartman angers the new school principal, the townspeople want to build a wall to keep out Canadians, Kenny takes a job at Mr Kim's City Wok and the boys play ninja.