Randy Marsh becomes a social pariah after saying "niggers" on Wheel of Fortune, which leads to tensions between Token and Stan. Meanwhile, Cartman angers a dwarf who comes to give a talk at the school.
Butters' father catches his son about to perform oral sex on Cartman and sends Butters to a Christian camp for sexually confused children. Meanwhile, Cartman blames Kyle for stealing an incriminating photo of himself and Butters.
An infestation of head lice plagues South Park Elementary, and Cartman finds a way to detect who has lice so they can make fun of the unfortunate kid. Meanwhile, the lice in Clyde's head try to escape when most of their kind are killed by lice shampoo.
Hillary Clinton is in town for a big campaign rally, and discovers that her vagina has been rigged with a bomb. Meanwhile, a new Muslim kid raises Cartman's terrorism fears at school.
Determined to get the real story behind why he has to decorate eggs for Easter, Stan falls in with an eccentric society that guards a legendary secret.
Mrs. Garrison falls for a woman at a lesbian bar and fights Persians to keep the bar from being renovated. Meanwhile, Stan, Kyle, Cartman, and Kenny hire illegal immigrants to do their homework for them.
Masses of homeless people invade South Park. The parents of South Park are trapped on a rooftop, while the children trace the cause of the epidemic.
Cartman pretends to have Tourette syndrome so he can say whatever he wants without being punished. However, he gets more than he bargained for when he begins to involuntarily admit the truth.
Randy becomes South Park's hometown hero when the guys down at the local bar see the size of his most recent crap.
Muslim terrorists attack Imaginationland, in an attempt to take over peoples' imagination. Meanwhile, Cartman makes a bet with Kyle that if leprechauns are real, Kyle will suck Cartman's balls. Cartman wins, and Kyle is stuck in a dilemma.
Stan and Kyle are being held in the Pentagon until they tell the government how they got into Imaginationland. Meanwhile, Cartman goes to great lengths to get Kyle to suck his balls after the leprechaun bet.
Inside Imaginationland, Stan and Butters engage in the battle of their lives as they fight the army of evil imaginary forces alongside what's left of the good imaginary people led by Aslan. Kyle tries to save Stan and Butters from Imaginationland, and Cartman once again goes to great lengths to get Kyle to suck his balls.
Stan and Kyle are both hooked on Guitar Hero. Stan's superior skills at the video game, however, damages his friendship with Kyle.
The girls in the fourth grade class make a secret list that rates every boy's looks from cutest to ugliest. The fourth grade boys discover this and steal the list. They are, however, unprepared to deal with the results. Meanwhile, Stan and Wendy reconcile after their break up.