Book Four: Balance



Book Four: Balance  is the fourth and final book of The Legend of Korra, which will run for thirteen episodes. Animation for the book was completed by Studio Mir and it will be released for digital viewing in North America starting on October 3, 2014. The book will be set three years after the end of Book Three: Change.

Trivia

 * Hiroshi Sato will make an appearance for the first time since his imprisonment at the end of Book One: Air.
 * Korra will have a shorter hairstyle.
 * Varrick's childhood will be revealed.
 * Zuko's daughter will make an appearance.
 * Members of the Air Nation wear a new outfit, a wingsuit, which allows them to glide easily.
 * Book Four will have a longer time lapse from Book Three compared to other books, taking place three years after Book Three.
 * Kuvira will play a larger role, despite being a minor character in Book Three.
 * Hiroshi Sato's Mecha tanks make a return.
 * Toph will appear in this season.
 * On top of Korra having a new hairstyle, several other characters will as well, including Ikki, Meelo, Jinora and Asami.