Avatar: The Last Airbender: Season 3, Episode 7

3 - 7: The Runaway

When Katara expresses her disapproval to Toph's new way to make quick cash, the group finds her too motherly, and tension grows between Katara and Toph. When Katara finally decides to participate in this scam to disprove Toph's accusations, the gang is left vulnerable and are forced to face dire consequences.