In the first half of the two-part season finale, Zhao begins to launch his attack against the Northern Water Tribe. As the walls of the prestiged city begin to fall, the Avatar taps into the spirit world and seeks the help of one of the oldest spirits, in hopes of saving one of the most prominent areas of the world.
Elenco: Zach Tyler , Dante Basco , Mae Whitman , Jack De Sena , Jessie Flower , Dee Bradley Baker , Mark Hamill , Grey DeLisle , Jennie Kwan , Cricket Leigh , Olivia Hack , André Sogliuzzo , Melendy Britt , Mitchel Musso , Olivia Hack .