Season 1 The CW , 2011 - 2012 Season 2 The CW , 2012 - 2013 Season 3 The CW , 2013 - 2014 Watch now Season 4 The CW , 2014 - 2015 Season 5 The CW , 2015 - 2016 Season 6 The CW , 2016 - 2017
, 2011 - 2012
