I knew it. Not only did they not kill off any of their chars', no one actually got into a point where death was imminent. That is sooo Nickelodeon. I mean, they couldn't have done that anyway, they're marketing to the younger population anyway, which allows them to make cheesy endings and cliche'd fights.

Even Ozai didn't die.

Of course, the thing at the end where Zuko asks "Where's my mother?"...that could be season 4 material. But as we all know, the show is over, even though Nick dangled that obvious cliffhanger over our heads.