is an upcoming American television series set in the Avatar universe as a spin-off of Avatar: The Last Airbender. It is expected to air on Nickelodeon in mid-2012.[1] The series is currently under production, and is expected to run for 26 episodes.[1] The co-creators of the original series, Michael Dante DiMartino and Bryan Konietzko, will personally write all of the episodes to allow for
