Huh, surprised that that link you posted let me actually watch the full episodes. Cartoon network's does not work in Canada so I assumed Nick's did not either.
Besides, she'll be white in the movie.
Life is like a roller coaster. It has its ups and downs, but if you sit back and relax you get a heck of a ride.
Avatar: The Last Airbender is streaming on Netflix if you want to take a look at it. It has plot, character development, humor, action, tension, great art and voice work, accessible to a wide age group ... it's the total package as far as I'm concerned.