All 52 episodes of the American animated series created by Michael Dante DiMartino and Bryan Konietzko. A sequel to their previous series 'Avatar: The Last Airbender' (2005), the show follows Avatar Korra (voice of Janet Varney) as she learns how to 'bend' the elements of water, earth, fire and air. With this new skill she is tasked with defending her home, the Republic City, from the Equalist uprising led by Amon (Steve Blum), who has the ability to subvert the powers of benders like Korra. 'Book One - Air' episodes are: 'Welcome to Republic City', 'A Leaf in the Wind', 'The Revelation', 'The Voice in the Night', 'The Spirit of Competition', 'And the Winner Is...', 'The Aftermath', 'When Extremes Meet', 'Out of the Past', 'Turning the Tides', 'Skeletons in the Closet' and 'Endgame'. 'Book 2 - Spirits' episodes are: 'Rebel Spirit', 'The Southern Lights', 'Civil Wars: Part 1', 'Civil Wars: Part 2', 'Peacekeepers', 'The Sting', 'Beginnings: Part 1', 'Beginnings: Part 2', 'The Guide', 'A New Spiritual Age', 'Night of a Thousand Stars', 'Harmonic Convergence', 'Darkness Falls' and 'Light in the Dark'. 'Book Three - Changes' episodes are: 'A Breath of Fresh Air', 'Rebirth', 'The Earth Queen', 'In Harm's Way', 'The Metal Clan', 'Old Wounds', 'Original Airbenders', 'The Terror Within', 'The Stakeout', 'Long Live the Queen', 'The Ultimatum', 'Enter the Void' and 'Venom of the Red Lotus'. 'Book Four - Balance' episodes are: 'After All These Years', 'Korra Alone', 'The Coronation', 'The Calling', ' Enemy at the Gates', 'The Battle of Zaofu', 'Reunion', 'Remembrances', 'Beyond the Wilds', 'Operation Beifong', 'Kuvira's Gambit', 'Day of the Colossus' and 'The Last Stand'.