Season 1

September 5, 2008 | 8 Episodes

Season 2

January 18, 2010 | 8 Episodes

Season 3

May 13, 2011 | 8 Episodes

Season 4

September 3, 2012 | 8 Episodes

Season 5

March 17, 2014 | 9 Episodes

Season 6

September 11, 2016 | 8 Episodes

Season 7

January 5, 2020 | 8 Episodes