The Legend of Korra is currently available to watch and stream on Nickelodeon. You can also buy, rent The Legend of Korra on demand at Amazon, Vudu, Google Play, iTunes online. You can also buy, rent The Legend of Korra on demand at Amazon, Vudu, Google Play, iTunes online. To determine once and for all what the best episodes of The Legend of Korra are, let's rank every The Legend of Korra episode from best to worst. A sequel to Avatar: The Last Airbender, The Legend of Korra followed Korra, the reincarnation of Aang, an avatar who can 'bend' all four elements of water, earth, fire, and air. About The Legend of Korra Welcome to the world of The Avatar, where some humans have the power to manipulate earth, air, fire or water, and others will stop at nothing to take that power away. Able to bend all four elements, the Avatar must maintain peace.