Only in Murica. Rest of the world don't watch Nickelodeon.
Screw you man(woman?). A lot of non-muricans watched it. Including myself. It is a really good cartoon. Many characters were quite complex and very interesting. Even the sidecharacters like avatar Roku, who had that badass japanese sensei feeling to him whenever he explained something.
Ignore that horribly recorded from TV thing, there was no proper vid of this:
