Name: Last Airbender: Legend of Aang.
Cast: Zach Tyler, Mae Whitman, Jack De Sena, Dante Basco
Genre: Animated, Children's, Fantasy
Description:
Set in an alternate universe, where people that can control the elements are called Benders. For centuries the Earth, Air, Water and Fire benders all lived in harmony until the Fire benders attacked, conquering the world. Only one person; the Avatar (who is reincarnated each cycle through the various elements), who can control all elements, can possibly solve everything, but one day he vanishes. One hundred years past and a Water bender called Katara and her brother, a non-bender called Sokka, discover the new Avatar; an Air bender named Aang, who is the last of his kind. They embark on an epic journey to help Aang master all elements and realize save the world.
Links:
IMDB
Three series in total -
Book One: Water
Book Two: Earth
Book Three: Fire
Watch this if you like: Epic storylines, amazing characters, mythology
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Name: Last Airbender: Legend of Korra
Cast: Janet Varney, David Faustino, P.J. Byrne, J.K. Simmons
Genre: Animated, Children's, Fantasy
Description:
Set 70 years after Legend of Aang, Aang is now dead, giving rise to the new Avatar; a waterbender named Korra. Aang and Zukko banded together to give rise to a new metropolis; Republic City, yet everything is not as it seems, as a mysterious figure named Amon gives rise to a group of anti-benders named the Equalists, who want equal rights for non-benders that feel disadvantaged to the other benders.
Links:
IMDB
Just one season so far; Book One - Air.
Watch this if you like: Last Airbender: Legend of Aang, Cowboy Beebop.