Aang and his friends finally reach the Northern Water Tribe, but the traditions there don’t seem to be working out too well for Sokka and Katara.
Aang acts immaturely and almost costs him his friends.
Aang and Zuko’s backstories come out and explain a thing or two.
Aang needs to commune with a predecessor in the Fire Nation.
Aang is asked to save a village from an angry spirit.
Aang returns to his home, but he isn’t pleased by what he finds there.
Aang is the Avatar. But first, he must complete the training. Or save his friends. Whichever comes first.
Book One, Chapter One.