South Park Episode 213 - "Cow Days"
South Park's annual "Cow Days" party is happening!
The cows become transfixed on a cow statue. In order to get the money they need to win Terrance and Phillip dolls, the boys sign Cartman up for a bull riding contest. A freak accident has Cartman believing he is a Vietnamese prostitute named Ming Li. The boys learn about money and cow insanity.