Avatar: The Last Airbender › Book One: Water

S1 E13: The Blue Spirit

While Aang, Katara and Sokka are traveling, Sokka gets a fever. Katara and Aang try to help Sokka, when Katara also catches the fever. It's up to Aang to go up on his own to save his two friends. But before he can get the medicine he is captured by the newly promoted Admiral Zhao and put in Zhao's fortress.

Air date	Jun 17, 2005
Runtime	25 minutes
TMDB rating	★ 8.7/10