Watch online and download The Legend of Korra Season 1 anime in high quality. Other name: Avatar: Legend of Korra ; The Legend of Korra (Book 1:Air). Watch Avatar: The legend of korra full episodes online English dub. Synopsis: Book One: Air, sees Korra move from her secluded upbringing at the South Pole to. The Legend of Korra is an animated American television series set in the Avatar universe as a Original run : April 14, - December 19, 20.