The investigation was conducted: Season 1 - 32 Episode s
1x1 - Episode 1
January 20, 2006
1x2 - Episode 2
January 27, 2006
1x3 - Episode 3
February 3, 2006
1x4 - Episode 4
February 10, 2006
1x5 - Episode 5
February 17, 2006
1x6 - Episode 6
March 3, 2006
1x7 - Episode 7
March 17, 2006
1x8 - Episode 8
March 24, 2006
1x9 - Episode 9
March 31, 2006
1x10 - Episode 10
April 7, 2006
1x11 - Episode 11
April 14, 2006
1x12 - Episode 12
April 21, 2006
1x13 - Episode 13
May 19, 2006
1x14 - Episode 14
May 26, 2006
1x15 - Episode 15
June 2, 2006
1x16 - Episode 16
June 9, 2006
1x17 - Episode 17
June 23, 2006
1x18 - Episode 18
June 30, 2006
1x19 - Episode 19
September 15, 2006
1x20 - Episode 20
September 22, 2006
1x21 - Episode 21
September 29, 2006
1x22 - Episode 22
October 6, 2006
1x23 - Episode 23
October 13, 2006
1x24 - Episode 24
October 20, 2006
1x25 - Episode 25
October 27, 2006
1x26 - Episode 26
November 3, 2006
1x27 - Episode 27
November 17, 2006
1x28 - Episode 28
November 24, 2006
1x29 - Episode 29
December 8, 2006
1x30 - Episode 30
December 15, 2006
1x31 - Episode 31
December 22, 2006
1x32 - Episode 32
December 29, 2006
The investigation was conducted: All seasons
S0: Specials
1 Episode
S1: Season 1
32 Episode s
S2: Season 2
36 Episode s
S3: Season 3
36 Episode s
S4: Season 4
29 Episode s
S5: Season 5
32 Episode s
S6: Season 6
31 Episode s
S7: Season 7
35 Episode s
S8: Season 8
34 Episode s
S9: Season 9
33 Episode s
S10: Season 10
35 Episode s
S11: Season 11
35 Episode s
S12: Season 12
35 Episode s
S13: Season 13
36 Episode s
S14: Season 14
36 Episode s
S15: Season 15
36 Episode s
S16: Season 16
36 Episode s
S17: Season 17
36 Episode s
S18: Season 18
37 Episode s
S19: Season 19
34 Episode s