The Boy in the Iceberg
S1, E1: Katara and Sokka discover a 12-year-old boy frozen in an iceberg, and wonder if he's the long-lost Avatar who went missing a hundred years ago.

S1, E1: Katara and Sokka discover a 12-year-old boy frozen in an iceberg, and wonder if he's the long-lost Avatar who went missing a hundred years ago.