Avatar Book 1 Water Episode 15 - Bato of the Water Tribe Episode Title:Bato of the Water Tribe.Episode Description:Sokka, Aang, and Katara find a seemingly abandoned Water Tribe fleet ship. Camping out by the boat, Sokka and Katara are overjoyed when they are soon joined by Bato, an old friend of Katara and Sokka's father, Hakoda, and a fellow member of the Southern Water Tribe. While they reminisce about the old days, Aang feels left out; when a messenger arrives with a message from Hakoda, with instructions to find him, Aang intercepts it and keeps it to himself, fearing they will abandon him. Later he comes clean about the message, but Sokka, furious at Aang for keeping it from them, is insistent on leaving to find his father. Meanwhile, Zuko finds a bounty hunter, June, to help him track down the Avatar, utilizing a large mammalian mount (shirshu) with a powerful sense of smell. This leads to a skirmish, with Katara and Sokka returning to rescue Aang and resume their collective journey to the North Pole.