Season 1, Episode 1: The Boy in the Iceberg: The Avatar Returns, Pt. 1 (EP1)
Résumé de l'épisode 1
Katara and Sokka, a brother and sister from the Southern Water Tribe, discover a twelve-year-old boy frozen in an iceberg. Katara wonders if this boy is the Avatar whom the world has been awaiting for a hundred years.