Season 1 NBC , 1999 - 2000 Season 2 NBC , 2000 - 2001 Season 3 NBC , 2001 - 2002 Season 4 NBC , 2002 - 2003 Season 5 NBC , 2003 - 2004 Season 6 NBC , 2004 - 2005 Season 7 NBC , 2005 - 2006 Season 8 NBC , 2006 - 2007 Season 9 Audience Network , 2007 - 2008
, 1999 - 2000
, 2000 - 2001
, 2001 - 2002
, 2002 - 2003
, 2003 - 2004
, 2004 - 2005
, 2005 - 2006
, 2006 - 2007
