Avatar: The Last Airbender season 2

Book Two: Earth is the second season of Avatar: The Last Airbender, an American animated television series created and produced by Michael Dante DiMartino and Bryan Konietzko for Nickelodeon. The series starred Zach Tyler Eisen, Mae Whitman, Jack DeSena, Jessie Flower, Dante Basco, Dee Bradley Baker, Mako Iwamatsu (in his final voice performance as Iroh before his death) and Grey DeLisle as the main character voices.

In the second season, Aang and his friends Katara and Sokka are on a quest to find an Earthbending teacher which finishes when they recruit Toph Beifong. After finding important information concerning the war with the Fire Nation, Appa ends up kidnapped. Their journey leads to Ba Sing Se, the capital of the Earth Kingdom, where they uncover a great internal government conspiracy. Meanwhile, due to their actions at the North Pole in Book One, Zuko and Iroh are declared traitors by the Fire Nation and desert their country, becoming fugitives in the Earth Kingdom. Pursuing both Zuko and Aang is Princess Azula, Zuko's younger prodigy sister.

The second season aired on Nickelodeon from March 17 to December 1, 2006, and consisted of 20 episodes. The season received considerable acclaim, with the series being called "consistently excellent." The series won multiple awards, including Best Character Animation in a Television Production from the 34th Annie Awards and Outstanding Individual Achievement in Animation at the 2007 Emmy Awards.

Between January 23 and September 11, 2007, Paramount Home Entertainment released four DVD sets containing five episodes each before releasing the entire season as a boxset.