The World of Avatar is expanding once again, but in order to move forward, audiences will need to look back on what came before with Avatar Korra.

Commentary: Nickelodeon's upcoming series, Avatar: Seven Havens, has me thinking about the themes of the original show.

Nickelodeon has ordered a new sequel series to Avatar: The Last Airbender that takes place after The Legend of Korra. According to Variety, Avatar: Seven Havens will consist of 26 half-hour episodes spread across two seasons, also known as Books 1 & 2 in Avatar style.