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[[caption-width-right:350:"But I believe... Aang can save the world." [[note]] Clockwise from top: [[TheChosenOne Avatar]] [[KidHero Aang]] the [[BlowYouAway airbender,]] [[CuteBruiser Toph]] [[HandicappedBadass Beifong]] the [[DishingOutDirt earthbender,]] [[TeamMom Katara]] the [[MakingASplash waterbender,]] [[ByronicHero Prince]] [[LonerTurnedFriend Zuko]] the [[PlayingWithFire firebender,]] and [[BadassNormal Sokka and Suki,]] {{the Team Normal}}s. [[/note]]]]

->'''Katara:''' Why didn't you tell us you were the Avatar?\\
'''Aang:''' Because I never wanted to be.

''Avatar: The Last Airbender'' is an animated series that ran from 2005-2008; also known as ''Avatar: The Legend of Aang'' in some countries, and is the 20th series in Creator/{{Nickelodeon}}'s popular brand of original cartoons, known as Franchise/{{Nicktoons}}. ''Avatar'' is the first series in an [[Franchise/AvatarTheLastAirbender eponymous franchise]] which takes place in a ConstructedWorld divided into four nations: [[EskimoLand the Water Tribes]], the Earth Kingdom, [[TheEmpire the Fire Nation]], and [[PerfectPacifistPeople the Air Nomads]]. Each nation has developed a spiritual art form to manipulate ("bend") their namesake element, but only the Avatar -- one person reincarnated periodically into each race -- is capable of mastering all four elements. The Avatar's role is to serve as a peacekeeper and protector for all four nations (as well as bridging and balancing the physical and spiritual worlds).

The show's story centers around [[TheHero Aang]], the twelve-year old ([[HumanPopsicle chronologically 112]]) incarnation of the current Avatar and the eponymous [[LastOfHisKind last airbender]]. He must master the four bending arts so that he can save the world from [[EvilOverlord Fire Lord Ozai]] and end [[EarthIsABattlefield the century-long war]], a war which he accidentally avoided, spending a hundred years [[HumanPopsicle trapped in an iceberg]] after [[RefusalOfTheCall running away from his sudden heavy responsibility as the Avatar]]. Ozai's plans for [[TakeOvertheWorld domination]] are on a specific timetable, though, meaning that Aang [[RaceAgainstTheClock has until the end of summer to stop them]].

Aang has thankfully found himself in good company with teenage waterbender Katara and her brother [[TheTeamNormal Sokka]], the two who freed Aang from the iceberg. As the trio works to save the four nations with the company of Aang's lemur and flying bison, they gain many more allies; take a look at the [[Characters/AvatarTheLastAirbender Character Sheet]] to get to know more about the cast.

There was a canonical online game, ''VideoGame/EscapeFromTheSpiritWorld'', released between seasons two and three and set between them.

The first season was adapted into a live-action film directed by Creator/MNightShyamalan -- ''Film/TheLastAirbender'' -- which is the second [[Film/TheSixthSense Shyamalan film]] to be inspired by [[Series/AreYouAfraidOfTheDark a Nickelodeon show]]. The film was intended to be the first season in movie form, with the hope that a pair of sequels based on the other two seasons would follow. The film turning out a BoxOfficeBomb has, however, [[StillbornFranchise put a stop to any further plans for live action adaptations]].

A SequelSeries, ''WesternAnimation/TheLegendOfKorra'', premiered in 2012. The new series takes place seventy years after ''Avatar'' and focuses on the next Avatar, a hotheaded waterbender named Korra, who has to live up to her responsibilities as the Avatar in a world that is vastly different than it was in Aang's time.

Nickelodeon has also released a digest graphic novel called ''The Lost Adventures'', which includes the out of print ExpandedUniverse strips. Several graphic novel trilogies written by Creator/GeneLuenYang and drawn by Gurihiru have been released that detail the Gaang's rebuilding of the world and serve as a bridge to ''Korra.'' The first was called ''[[Comicbook/AvatarTheLastAirbenderThePromise The Promise]]'', and picked up immediately after the end of the series. The second trilogy was called ''[[Comicbook/AvatarTheLastAirbenderTheSearch The Search]]'' and was notable for finally revealing the fate of Zuko's mother, which was one of the biggest loose threads of the original series. ''[[ComicBook/AvatarTheLastAirbenderTheRift The Rift]]'' was third in the series, ''[[ComicBook/AvatarTheLastAirbenderSmokeAndShadow Smoke and Shadow]]'' is the fourth and ''[[ComicBook/AvatarTheLastAirbenderNorthAndSouth North and South]]'' is the fifth. A new graphic novel series titled ''Imbalance'' will be released in 2018 with Faith Erin Hicks writing and Peter Wartman on art. All of these projects are being published by Creator/DarkHorseComics.

This show is not to be confused with [[{{Avatar}} other meanings of the term "avatar"]].

Due to the [[TropeOverdosed sheer number of trope examples]], they have been divided into their own alphabetized pages. There is also a largely-complete recap page available [[Recap/AvatarTheLastAirbender for those who want to see what all the fuss is about]].

[[FountainOfMemes There is also]] [[Memes/AvatarTheLastAirbender an entire page of memes]], and a [[http://tvtropes.org/pmwiki/crowner.php/BestEpisode/Avatar Best Episode Crowner]].
!!It also provides examples of:
* AvatarTheLastAirbender/TropesAToH
* AvatarTheLastAirbender/TropesIToP
* AvatarTheLastAirbender/TropesQToZ