volume  discs  episodes             region 1            region 2         region 4
0       1      1         4    january 31 , 2006  february 19 , 2007  march 15 , 2007
1       2      1         4      march 28 , 2006       june 4 , 2007    july 5 , 2007
2       3      1         4        may 30 , 2006  september 3 , 2007  march 13 , 2008
3       4      1         4       july 18 , 2006  february 18 , 2008   june 19 , 2008
4       5      1         4  september 19 , 2006       may 26 , 2008   march 5 , 2009

Table as JSON:
{"volume":{"0":1,"1":2,"2":3,"3":4,"4":5},"discs":{"0":1,"1":1,"2":1,"3":1,"4":1},"episodes":{"0":4,"1":4,"2":4,"3":4,"4":4},"region 1":{"0":"january 31 , 2006","1":"march 28 , 2006","2":"may 30 , 2006","3":"july 18 , 2006","4":"september 19 , 2006"},"region 2":{"0":"february 19 , 2007","1":"june 4 , 2007","2":"september 3 , 2007","3":"february 18 , 2008","4":"may 26 , 2008"},"region 4":{"0":"march 15 , 2007","1":"july 5 , 2007","2":"march 13 , 2008","3":"june 19 , 2008","4":"march 5 , 2009"}}