The King of Omashu

When Aang takes Katara and Sokka on a wild journey through Omashu’s delivery system because he believes it’s entertaining, they soon wind up on the wrong side of the law and are taken to the king for punishment. However, King Bumi decides to put Aang to a test or else his friends will be surrounded in a stone prison, but will Aang be able to complete the mad king’s tasks?