Avatar: The Last Airbender

Aang and the group meet an Earth Kingdom general who wants to use Aang's powerful "Avatar State" as a weapon to defeat the Fire Nation. But getting into the "Avatar state" on purpose is more difficult than Aang thinks.

On their way to Omashu, the kids meet a group of nomads who show them a short cut through the 'cave of two lovers'

The kids return to Omashu so that Aang can learn Earthbending from King Bumi. But when they get there, they are shocked to find the city is now in Fire Nation hands. Despite the danger, Aang enters Omashu in search of King Bumi

When the kids end up in a mysterious and strange swamp, their fears are exposed. And Aang learns about being "connected to the Earth" from an unlikely teacher

Aang must clear up a wave of anti-Avatar sentiment and atone for something he did in the past