season  episodes             premiere           finale     dvd release date
0       1         7    february 5 , 2007  march 19 , 2007   september 4 , 2007
1       2        15  september 24 , 2007    may 19 , 2008    october 14 , 2008
2       3        13       march 2 , 2009    may 18 , 2009  september 14 , 2010
3       4        13       march 1 , 2010    may 24 , 2010    january 11 , 2011
4       5        24  september 20 , 2010    may 19 , 2011    february 7 , 2012
5       6        15    october 20 , 2011    may 17 , 2012     october 2 , 2012
6       7        13    february 4 , 2013    may 20 , 2013                n / a

Table as JSON:
{"season":{"0":1,"1":2,"2":3,"3":4,"4":5,"5":6,"6":7},"episodes":{"0":7,"1":15,"2":13,"3":13,"4":24,"5":15,"6":13},"premiere":{"0":"february 5 , 2007","1":"september 24 , 2007","2":"march 2 , 2009","3":"march 1 , 2010","4":"september 20 , 2010","5":"october 20 , 2011","6":"february 4 , 2013"},"finale":{"0":"march 19 , 2007","1":"may 19 , 2008","2":"may 18 , 2009","3":"may 24 , 2010","4":"may 19 , 2011","5":"may 17 , 2012","6":"may 20 , 2013"},"dvd release date":{"0":"september 4 , 2007","1":"october 14 , 2008","2":"september 14 , 2010","3":"january 11 , 2011","4":"february 7 , 2012","5":"october 2 , 2012","6":"n \/ a"}}