Season overview[]
| Season | Year | Network | Viewers (in millions) |
Premiere | Finale | Episodes |
|---|---|---|---|---|---|---|
| 1 | 1994 | PBS | 3.2 | May 23, 1994 | June 16, 1994 | 23 |
| 2 | 1994-1995 | 6.32 | June 17, 1994 | May 22, 1995 | 7 | |
| 3 | 1995-1996 | 8.43 | May 23, 1995 | June 13, 1996 | 13 | |
| 4 | 1996-1997 | 6.33 | June 22, 1996 | May 27, 1997 | 26 | |
| 5 | 1997-1998 | 8.32 | May 29, 1997 | June 22, 1998 | 30 | |
| 6 | 1998-1999 | 6.35 | June 14, 1998 | May 25, 1999 | 32 | |
| 7 | 1999-2000 | 4.2 | May 14, 1999 | June 16, 2000 | 23 | |
| 8 | 2000-2001 | 9.38 | May 28, 2000 | January 23, 2001 | 43 | |
| 9 | 2001-2002 | 6.37 | May 22, 2001 | December 30, 2002 | 14 | |
| 10 | 2003-2004 | 8.35 | May 18, 2003 | May 17, 2004 | 31 | |
| 11 | 2004-2005 | Syndication | 6.08 | November 24, 2004 | May 19, 2005 | 40 |
| 12 | 2005-2006 | 9.37 | May 28, 2005 | January 15, 2006 | 42 | |
| 13 | 2006-2007 | 13.03 | May 27, 2006 | May 13, 2007 | 48 | |
| 14 | 2007-2008 | 18.5 | June 30, 2007 | November 18, 2008 | 52 | |
| 15 | 2008-2009 | 18.9 | December 14, 2008 | May 13, 2009 | 61 | |
| 16 | 2009-2010 | 23.5 | June 15, 2009 | June 15, 2010 | 70 | |
| 17 | 2010-2011 | 62.8 | May 25, 2010 | May 27, 2011 | 89 | |
| 18 | 2011-2012 | 3.5 | June 14, 2011 | May 25, 2012 | 98 | |
| 19 | 2012-2013 | 6.2 | May 23, 2012 | May 3, 2013 | 130 | |
| 20 | 2013-2014 | 8.7 | May 28, 2013 | January 4, 2014 | 3 | |
| 21 | 2014-2015 | Esquire | 6.34 | June 14, 2014 | Late 2015 | 15 |
| 22 | 2015 | 7.44 | Late 2015 | Early 2016 | Possibly 32 |