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  1. About the Episode

    South Park: Mystery of the Urinal Deuce Episode Air Date: 10.11.2006 The world's biggest conspiracy of all time is finally uncovered when Cartman exposes the true culprit behind the September 11th attacks. Stan and Kyle come face-to-face with the masterminds who pulled off the most elaborate, intricate and flawlessly executed operation in American history.
  2. play

    Dookie in the Urinal

    Season 10
    Mystery of the Urinal Deuce
    Mr. Mackey storms into the classroom yelling at the boys for somebody taking a dump in the urinal. Like 9/11, Cartman thinks it's a conspiracy.
    30584 views 01:14 Tags Add to or Remove from Playlist
  3. play

    Raging Clues

    Season 10
    Mystery of the Urinal Deuce
    Mr. Mackey has the police investigate the bathroom but they don't get very far. They enlist the Hardly Boys, two young men who solve crimes and give each other clues.
    61290 views 01:09 Tags Add to or Remove from Playlist
  4. play

    9/11 All Over Again

    Season 10
    Mystery of the Urinal Deuce
    Cartman decides he needs to find out what really happened on September 11th.
    25272 views 02:02 Tags Add to or Remove from Playlist
  5. play

    Sneaky Butthole

    Season 10
    Mystery of the Urinal Deuce
    During show and tell, Cartman presents his conspiracy theory. Based on the evidence, it's clear that Kyle is responsible for 9/11.
    17768 views 01:58 Tags Add to or Remove from Playlist
  6. play

    Not the Goddamn

    Season 10
    Mystery of the Urinal Deuce
    After Kyle tells his mom that the other kids blame him for 9/11, a town meeting is held. It is agreed to further investigate 9/11 with The Hardly Boys.
    17053 views 02:41 Tags Add to or Remove from Playlist
  7. play

    CIA Guys

    Season 10
    Mystery of the Urinal Deuce
    The CIA has been questioning Stan about Kyle's involvement with the 9/11 attacks. Stan finds an organization that can prove Kyle's is innocent.
    2207 views 00:48 Tags Add to or Remove from Playlist
  8. play

    Mr. Venezuela

    Season 10
    Mystery of the Urinal Deuce
    Mr. Mackey uses the school's janitor, Mr. Venezuela, to guilt the kids into saying who duked in the urinal. Then, Mrs. Garrison announces that the culprit has been caught.
    11050 views 00:54 Tags Add to or Remove from Playlist
  9. play

    Kyle Holds Anthrax

    Season 10
    Mystery of the Urinal Deuce
    Stan and Kyle speak to the 911Truth.org guy. He makes Kyle hold jars of anthrax as the cops burst into his house.
    2216 views 01:22 Tags Add to or Remove from Playlist
  10. play

    Clyde Did It

    Season 10
    Mystery of the Urinal Deuce
    Clyde laughs as he gets in trouble for dumping in the urinal. His parents have some new information that could shed light on the case.
    20980 views 00:47 Tags Add to or Remove from Playlist
  11. play

    Plug These Leaks

    Season 10
    Mystery of the Urinal Deuce
    Stan, Kyle and the 911Truth.org guy are taken to the White House. President Bush explains how he planned the 9/11 attacks.
    150054 views 02:20 Tags Add to or Remove from Playlist
  12. play

    Chocolate Hot Dog

    Season 10
    Mystery of the Urinal Deuce
    Clyde is innocent due to a colostomy when he was five. Mr. Mackey wants the real culprit.
    13422 views 01:04 Tags Add to or Remove from Playlist
  13. play

    You're Alive!?!

    Season 10
    Mystery of the Urinal Deuce
    Stan and Kyle are on their way home from the White House when they run into the 911Truth.org guy. They chase him into an alley where he is shot again.
    2163 views 01:29 Tags Add to or Remove from Playlist
  14. play

    Stan's Double Cross

    Season 10
    Mystery of the Urinal Deuce
    Detective Hardly tells Stan and Kyle that the 9/11 conspiracy is a government conspiracy. Stan admits to the urinal deuce.
    16520 views 03:15 Tags Add to or Remove from Playlist
  15. play

    He Died Like A Pig

    Season 10
    Mystery of the Urinal Deuce
    The truth about 9/11 comes out.
    5995 views 2:20 Tags Add to or Remove from Playlist