Southpark And Quicktime How Do I Make Sure My Southpark Video Won't Be Rejected On Youtube?

How do I make sure my Southpark video won't be rejected on youtube? - southpark and quicktime

I wanted to get a piece of the last episode of South Park, but it is rejected because of copyright infringement. But there are other videos southpark LOADZ and other TV shows! What is the difference? How can I ensure that I will not refuse?