South Park Episode 1009 - "Mystery of the Urinal Deuce"

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

No one in South Park is safe from the people who are the real brains behind the 9/11 conspiracy. When Kyle and Stan hit the road in search of the truth, they come face-to-face with the masterminds who pulled off the most elaborate, intricate and flawlessly executed operation in American history..