Season 1 ARTE , 2005 Season 2 ARTE , 2005 - 2006 Season 3 ARTE , 2006 - 2007 Season 4 ARTE , 2007 - 2008 Season 5 ARTE , 2008 - 2009 Season 6 ARTE , 2009 Season 7 ARTE , 2010 - 2011