none 

Statements about this table:
the complete second season from region 1 be associate with a region 2 date of july 9 , 2007
the complete ninth season be associate with the region 1 date of november 9 , 2010
the complete third season be associate with the region 2 date of september 15 , 2008
the region 1 date of january 5 , 2010 be associate to 3 season : the complete fourth , fifth , and sixth season
multiple region be associate with a region 2 date of july 9 , 2007
region 1 have only 1 date of november 9 , 2010
2 region be associate with region 4 date of april 1 , 2010
region 1 have the same date associate with region 2 of september 15 , 2018
dvd name
ep
region 1 (us)
region 1 (can)
region 2 (uk)
region 2 (germany)
region 4 (australia)
the complete first season
25 (3 discs)
november 18 , 2003
august 11 , 2009
january 29 , 2007
november 26 , 2004
january 11 , 2007
the complete second season
25 (3 discs)
april 20 , 2004
august 11 , 2009
july 9 , 2007
march 31 , 2005
july 12 , 2007
the complete third season
25 (3 discs)
february 22 , 2005
august 11 , 2009
september 15 , 2008
september 2 , 2005
july 31 , 2008
the complete fourth season
25 (3 discs)
april 14 , 2005
january 5 , 2010
february 9 , 2009
december 2 , 2005
january 15 , 2009
the complete fifth season
25 (3 discs)
june 20 , 2006
january 5 , 2010
may 18 , 2009
may 26 , 2006
may 7 , 2009
dvd name
ep
region 1 (us)
region 1 (can)
region 2 (uk)
region 2 (germany)
region 4 (australia)
the complete sixth season
24 (3 discs)
september 19 , 2006
january 5 , 2010
july 13 , 2009
november 24 , 2006
august 6 , 2009
the complete seventh season
22 (3 discs)
january 16 , 2007
november 9 , 2010
march 22 , 2010
march 9 , 2007
april 1 , 2010
the complete eighth season
23 (3 discs)
may 1 , 2007
november 9 , 2010
june 21 , 2010
august 24 , 2007
june 3 , 2010
the complete ninth season
13 (2 discs)
september 25 , 2007
november 9 , 2010
september 20 , 2010
october 19 , 2007
september 16 , 2010