Season Releases
The Complete Book 1	buy	9/12/2006
The Complete Book 1 (Collector's Edition)	buy	6/22/2010
The Complete Book 2	buy	9/11/2007
The Complete Book 3	buy	9/16/2008

Individual Episode Releases
Book 1: Water, Volume 1	buy	1/24/2006
Book 1: Water, Volume 2	buy	3/28/2006
Book 1: Water, Volume 3	buy	5/30/2006
Book 1: Water, Volume 4	buy	7/18/2006
Book 1: Water, Volume 5	buy	9/19/2006
Book 2: Earth, Volume 1	buy	1/23/2007
Book 2: Earth, Volume 2	buy	4/10/2007
Book 2: Earth, Volume 3	buy	5/22/2007
Book 2: Earth, Volume 4	buy	8/14/2007
Book 3: Fire, Volume 1	buy	10/30/2007
Book 3: Fire, Volume 2	buy	1/22/2008
Book 3: Fire, Volume 3	buy	5/06/2008
Book 3: Fire, Volume 4	buy	7/29/2008