One of South Park's most beloved characters makes a triumphant return to the show.

Stan persuades all the citizens of South Park to buy hybrid cars.

Cartman and Kyle are at war over the popular cartoon "Family Guy."

After leaving Kyle injured on the side of the road, Cartman races to the headquarters of "Family Guy" determined to put an end to the show once and for all.

Towelie writes his memoirs and the published work is chosen to be part of Oprah's Book Club.

The boys are trapped in a cave and Cartman finds treasure.

When Cartman's mom realizes she can't control her son anymore, she gets help from the "Dog Whisperer." But Eric Cartman's not going down without a fight.

The boys must find a way to stop a mad gamer who is destroying World of Warcraft, their favorite online role playing game.

The world's biggest conspiracy of all time will finally be uncovered when Eric Cartman exposes the true culprit behind the September 11th attacks.

In his new role as School Hallway Monitor, Cartman must team up with Kyle when they discover a teacher having sex with a student.

The town considers the legitimacy of conspiracy theories.

President Bush admits he caused 9/11.

Stan and Kyle find out the truth about 9/11.

Somebody went #2 in the urinal and Mr. Mackey wants answers.

Cartman annoys the boys with his conspiracy theories.

Cartman tells the class that Kyle is responsible for September 11th.

Stan offers Kyle Some Help .

A possible urinal culprit has been caught.

The cops bust Stan, Kyle, and the 911Truth.org guy.