Season 1 RTL2 , 1999 - 2000 Season 2 RTL2 , 2000 - 2001 Season 3 RTL2 , 2001 - 2002 Season 4 RTL2 , 2002 - 2003 Season 5 RTL2 , 2003 - 2004 Season 6 RTL2 , 2004 - 2005 Season 7 RTL2 , 2005 - 2006 Season 8 RTL2 , 2006 - 2007 Season 9 RTL2 , 2007 - 2008 Season 10 RTL2 , 2008 - 2009 Season 11 RTL2 , 2009 - 2010 Season 12 RTL2 , 2010 - 2011 Season 13 RTL2 , 2011 - 2012 Season 14 RTL2 , 2012 - 2013 Season 15 RTL2 , 2013 - 2014 Season 16 RTL2 , 2014 - 2015 Season 17 RTL2 , 2015 - 2016 Season 18 RTL2 , 2016