EntertainmentTVAction ShowsAvatar: The Last AirbenderAvatar: The Last Airbender season 1 ending explained - what’s Sozin’s Comet and what’s next for Aang?When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentTVAction ShowsAvatar: The Last AirbenderAvatar: The Last Airbender season 1 ending explained - what’s Sozin’s Comet and what’s next for Aang?When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Netflix) Everything changed when The Fire Nation attacked. Again. The ending of the first season ofAvatar: The Last Airbendernot only brings a handful of arcs to a close in fairly complex fashion, it also sets up season 2 - and beyond. With that in mind, it’s worth getting everyone on the same page as we head (hopefully) towards the next step on Aang’s …