Season 3 Episode 16
First Aired: July 17, 2008
Description: Feeling as though Katara's hatred for him is somehow deeply rooted in the death of her mother, Zuko asks Sokka to explain how she died. After hearing the story, Zuko realizes he knows who killed her, and takes Katara off to find him. Aang worries that once face to face with the murderer, Katara will do something she will later regret.