Season 1 RTL4 , 2009 Season 2 RTL4 , 2009 Season 3 RTL4 , 2010 Season 4 RTL4 , 2011 Season 5 RTL4 , 2011 Season 6 RTL4 , 2012 Season 7 RTL4 , 2012 Season 8 RTL4 , 2013 Season 9 RTL4 , 2014 Season 10 RTL4 , 2015 Season 11 RTL4 , 2016 Season 12 RTL4 , 2017 Season 13 RTL4 , 2017 Season 14 RTL4 , 2018 Season 16 RTL4 , 2019
, 2009