Avatar: The Last Airbender - Book 2: Earth, Volume 2, debuting on DVD April 10, 2007. In addition to Chapters 6 through 10, the DVD includes commentaries by the creators, cast, and crew, as well as a free exclusive Avatar comic book!
With Princess Azula hot on their tails, the kids travel deep into the Earth Kingdom in search of an Earthbending master for Aang. There they encounter an Earthbending tournament, a tank-train full of giant lizards, and a library buried deep underground. To top it off, Appa is captured!