We watched the entirety of ATLA together for Alli's first watch-through of the series. This show has a spacial place in our hearts so we needed to do an entire episode just discussing ATLA.*FILLED WITH AVATAR THE LAST AIRBENDER SPOILERS* - literally you have to have watched the entire series of we will be spoiling things for you xoAvatar the Last Airbender premiered on February 21, 2005Book 2 premiered: March 17, 2006Book 3 premiered: September 21, 2007More info on ATLA: Wikipedia, Avatar.fandomMyAnimeListBingeMonsterAgreenqueen