South Park S10E9 poster

Watch South Park – Season 10 Episode 9: Mystery of the Urinal Deuce

South Park • Season 10, Episode 9 • 22 min • 1997 • ⭐ 8.3/10 • Animation , Comedy

Cast: Trey Parker , Matt Stone , Jennifer Howell , Mona Marshall

Watch South Park – S10E9

Episode Overview

Cartman reveals who masterminded the attacks of 9/11, while Kyle and Stan search for the real truth; meanwhile Mr. Mackey just wants to know who dropped the deuce in the urinal.

Episode Navigation

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Go God Go (1)
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S10E13 • 22m
Go God Go XII (2)
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S10E14 • 22m
Stanley's Cup

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