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.

The new 2D animated series will consist of 26 half-hour episodes spread across two seasons, or Books 1 & 2 in “Avatar” style. News of the pickup comes as “Last Airbender” prepares to celebrate its 20th anniversary, with the original show having debuted on Feb. 21, 2005.

Avatar: Seven Havens is the latest project to come out of the Avatar: The Last Airbender and The Legend of Korra universe with a brand new story.