DVDs Region 1 US

Season Release Date Buy Now
Season 1 (DVD) August 31 2010 Amazon.com
Season 2 (DVD) September 27 2011 Amazon.com
Season 3 (DVD) October 8 2013 Amazon.com
Season 4 (DVD) February 25 2014 Amazon.com

DVDs Region 2 EU

Season Release Date Buy Now
Season 1 (DVD) September 26 2011 Amazon.co.uk
Season 2 (DVD) November 5 2012 Not Available