Rusty on your Na'vi knowledge? James Cameron catches us up on the "Avatar" universe and the biggest changes going into third movie "Fire and Ash."

"Avatar: Fire and Ash" stars Bailey Bass, Stephen Lang, Oona Chaplin, Trinity Bliss, and Jack Champion take a quiz to find out which "Avatar" character they're most like in real life. Plus, find out which iconic actors they'd love to work with,

Cameron’s patience paid off in 2009, as “Avatar” became a one-of-a-kind moviegoing experience. It’s rare to walk out of a theater and say, “I’ve never seen anything like this before.” Guess what? I’ve never seen anything like “Avatar.”