Seasons

Specials

March 25, 2018 | 1 Episodes

Season 1

August 6, 2004 | 14 Episodes

Season 2

February 20, 2005 | 13 Episodes

Season 3

October 2, 2005 | 13 Episodes

Season 4

October 1, 2006 | 13 Episodes

Season 5

April 29, 2007 | 13 Episodes

Season 6

October 7, 2007 | 27 Episodes

Season 7

January 8, 2009 | 35 Episodes

Season 8

February 20, 2011 | 30 Episodes

Season 9

April 1, 2012 | 28 Episodes

Season 10

January 27, 2013 | 22 Episodes

Season 11

September 1, 2013 | 13 Episodes

Season 12

January 12, 2014 | 12 Episodes

Season 13

April 20, 2014 | 15 Episodes

Season 14

November 9, 2014 | 14 Episodes

Season 15

March 22, 2015 | 13 Episodes

Season 16

September 6, 2015 | 13 Episodes

Season 17

February 14, 2016 | 13 Episodes

Season 18

August 7, 2016 | 15 Episodes

Season 19

November 13, 2016 | 13 Episodes

Season 20

May 7, 2017 | 12 Episodes

Season 21

August 6, 2017 | 15 Episodes

Season 22

November 19, 2017 | 7 Episodes

Season 23

January 21, 2018 | 30 Episodes

Season 24

August 19, 2018 | 27 Episodes

Season 25

March 10, 2019 | 25 Episodes

Season 26

September 1, 2019 | 26 Episodes

Season 27

March 8, 2020 | 26 Episodes

Season 28

September 6, 2020 | 26 Episodes

Season 29

April 4, 2021 | 27 Episodes

Season 30

October 17, 2021 | 26 Episodes

Season 31

July 17, 2022 | 26 Episodes

Season 32

February 19, 2023 | 27 Episodes

Season 33

October 29, 2023 | 24 Episodes

Season 34

July 7, 2024 | 24 Episodes

Season 35

January 5, 2025 | 25 Episodes

Season 36

January 3, 2026 | 15 Episodes

Investigations of multiple mysterious and violent cases.