Avatar Korra fights to keep Republic City safe from the evil forces of both the physical and spiritual worlds. Taking place 70 years after the events of "Avatar: The Last Airbender," this story follows the adventures of the Avatar after Aang - a passionate, rebellious, and fearless teenage girl from the Southern Water Tribe named Korra. With three of the four elements under her belt (Earth, Water, and Fire), Korra seeks to master the final element, Air. Her quest leads her to the epicenter of the modern "Avatar" world, Republic City - a metropolis that is fueled by steampunk technology. It is a virtual melting pot where benders and non-benders from all nations live and thrive. However, Korra discovers that Republic City is plagued by crime as well as a growing anti-bending revolution that threatens to rip it apart. Under the tutelage of Aang's son, Tenzin, Korra begins her airbending training while dealing with the dangers at large. Book Four: Balance is the fourth and final season of the animated television series The Legend of Korra by Michael Dante DiMartino and Bryan Konietzko. It consists of thirteen episodes ("chapters"), all animated by Studio Mir. The episodes are made available on the Nickelodeon website and other online outlets each Friday beginning on October 3, 2014. Critical reception of Book Four, as of the series in general, was positive. Book Four is set three years after the previous season. It deals with Avatar Korra's journey of self-discovery following the physical and psychological injuries she incurred in the fight with Zaheer and with unrest in the Earth Kingdom where Kuvira, formerly a security officer in Suyin Beifong's service, seeks to seize power by military force.

Avatar Korra fights to keep Republic City safe from the evil forces of both the physical and spiritual worlds. The third season of the animated television series The Legend of Korra, titled Book Three: Change, was created by Michael Dante DiMartino and Bryan Konietzko, and consists of thirteen episodes ("chapters"), all animated by Studio Mir. The season began airing on Nickelodeon in the U.S. on June 27, 2014. After leaked episodes and following declining ratings, the series stopped airing on Nickelodeon after episode 8 on July 25, 2014. Episodes 9 to 13 of Book Three were subsequently made available on the Internet weekly through Nickelodeon's website and on digital download platforms. The season takes place largely in the Earth Kingdom, one of the four major nations in the setting of the series, and also depicts the re-emergence of airbending among people of other nations. The season's antagonists are the "Red Lotus", a group of dangerous anarchists led by the new airbender Zaheer who wants to overthrow the world's governments and the Avatar. Among the season's new supporting characters are the now elderly Zuko, a character from the original series, as well as Lin Beifong's sister Suyin and her family.

Avatar Korra fights to keep Republic City safe from the evil forces of both the physical and spiritual worlds. Book Two: Spirits is the second season of the animated TV series The Legend of Korra by Michael Dante DiMartino and Bryan Konietzko. It consisted of fourteen episodes ("chapters"). A sequel to The Legend of Korra: Book 1, it focuses more on spiritual concepts and themes. Ordered in early 2011, Book Two: Spirits began airing on Nickelodeon in the U.S. on September 13, 2013.

Avatar Korra fights to keep Republic City safe from the evil forces of both the physical and spiritual worlds. Book One: Air is the first season of the U.S. animated TV series The Legend of Korra created by Michael Dante DiMartino and Bryan Konietzko. Consisting of twelve episodes (called "chapters"), it was initially intended to be a stand-alone miniseries before the series was expanded to four seasons ("books") and fifty-two episodes ("chapters") total. Book One: Air aired from April 14 to June 23, 2012 on the Nickelodeon channel in the U.S., and is broadcast in other countries beginning in June 2012. Book One: Air follows seventeen-year-old Korra from the Southern Water Tribe, and the successor of Avatar Aang from the preceding series Avatar: The Last Airbender, as she travels to the metropolis of Republic City to learn airbending and faces an anti-bender revolutionary group, the "Equalists", led by the masked Amon.