Rebirth of a Nation

After the Air Nomad genocide, Aang was the last living airbender. And then not too long after, Tenzin and his children were. That is, until Harmonic Convergence brought it back. (Based off a Tumblr post).
Edit: For those who requested another video with Book 4 clips of the Air Nation, it's up! Here is the link:
• Rebirth of a Nation Re...