Secrecy of the investigation: Season 8 - 12 Episode s
8x1 - Episode 1
April 16, 2009
8x2 - Episode 2
April 16, 2009
8x3 - Episode 3
April 17, 2009
8x4 - Episode 4
April 17, 2009
8x5 - Episode 5
April 20, 2009
8x6 - Episode 6
April 20, 2009
8x7 - Episode 7
April 21, 2009
8x8 - Episode 8
April 21, 2009
8x9 - Episode 9
April 22, 2009
8x10 - Episode 10
April 22, 2009
8x11 - Episode 11
April 23, 2009
8x12 - Episode 12
April 23, 2009
Secrecy of the investigation: All seasons
S1: Season 1
16 Episode s
S2: Season 2
12 Episode s
S3: Season 3
12 Episode s
S4: Season 4
12 Episode s
S5: Season 5
12 Episode s
S6: Season 6
12 Episode s
S7: Season 7
12 Episode s
S8: Season 8
12 Episode s
S9: Season 9
24 Episode s
S10: Season 10
24 Episode s
S11: Season 11
12 Episode s
S12: Season 12
12 Episode s
S13: Season 13
20 Episode s
S14: Season 14
16 Episode s
S15: Season 15
16 Episode s
S16: Season 16
20 Episode s
S17: Season 17
24 Episode s
S18: Season 18
24 Episode s
S19: Season 19
24 Episode s
S20: Season 20
24 Episode s
S21: Season 21
24 Episode s
S22: Season 22
18 Episode s
S23: Season 23
16 Episode s