The investigation was conducted: Season 5 - 32 Episode s
5x127 - Episode 127
January 22, 2010
5x128 - Episode 128
January 29, 2010
5x129 - Episode 129
February 5, 2010
5x130 - Episode 130
February 12, 2010
5x131 - Episode 131
March 5, 2010
5x132 - Episode 132
March 26, 2010
5x133 - Episode 133
April 2, 2010
5x134 - Episode 134
April 9, 2010
5x135 - Episode 135
April 16, 2010
5x136 - Episode 136
April 23, 2010
5x137 - Episode 137
April 30, 2010
5x138 - Episode 138
May 21, 2010
5x139 - Episode 139
May 28, 2010
5x140 - Episode 140
June 4, 2010
5x141 - Episode 141
June 11, 2010
5x142 - Episode 142
June 25, 2010
5x143 - Episode 143
July 2, 2010
5x144 - Episode 144
August 27, 2010
5x145 - Episode 145
September 3, 2010
5x146 - Episode 146
September 10, 2010
5x147 - Episode 147
October 1, 2010
5x148 - Episode 148
October 8, 2010
5x149 - Episode 149
October 15, 2010
5x150 - Episode 150
October 22, 2010
5x151 - Episode 151
October 29, 2010
5x152 - Episode 152
November 5, 2010
5x153 - Episode 153
November 12, 2010
5x154 - Episode 154
November 19, 2010
5x155 - Episode 155
November 26, 2010
5x156 - Episode 156
December 3, 2010
5x157 - Episode 157
December 10, 2010
5x158 - Episode 158
December 24, 2010
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
35 Episode s