Season 1 ZDF , 1994 Season 2 ZDF , 1995 - 1996 Season 3 ZDF , 1996 - 1997 Watch now Season 4 ZDF , 1997 Watch now Season 5 ZDF , 1999 Watch now Season 6 ZDF , 2000 Watch now Season 7 ZDF , 2001 Watch now Season 8 ZDF , 2002 Watch now Season 9 ZDF , 2003 Watch now Season 10 ZDF , 2004 Watch now Season 11 ZDF , 2005 Watch now Season 12 ZDF , 2006 Watch now Season 13 ZDF , 2007 Watch now