Avatar: The Last Airbender (season 2)
Between 23 January 2007 and 11 September 2007, Nickelodeon released five DVD sets for the season: four sets had five episodes each, and a fifth DVD collection of all twenty episodes. All DVDs were encoded in Region 1. In the UK, only the season boxset was released without being released in four volumes first.  The boxset was released on July 20, 2009.