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Secrecy of the investigation poster

Secrecy of the investigation

(2000)

Seasons

Secrecy of the investigation Season 1 poster

Season 1 (2000)

with 16 episodes premiered on September 1, 2000

Secrecy of the investigation Season 2 poster

Season 2 (2003)

with 12 episodes premiered on March 5, 2003

Secrecy of the investigation Season 3 poster

Season 3 (2004)

with 12 episodes premiered on March 1, 2004

Secrecy of the investigation Season 4 poster

Season 4 (2005)

with 12 episodes premiered on March 14, 2005

Secrecy of the investigation Season 5 poster

Season 5 (2006)

with 12 episodes premiered on April 24, 2006

Secrecy of the investigation Season 6 poster

Season 6 (2006)

with 12 episodes premiered on December 20, 2006

Secrecy of the investigation Season 7 poster

Season 7 (2008)

with 12 episodes premiered on March 26, 2008

Secrecy of the investigation Season 8 poster

Season 8 (2009)

with 12 episodes premiered on April 16, 2009

Secrecy of the investigation Season 9 poster

Season 9 (2011)

with 24 episodes premiered on October 24, 2011

Secrecy of the investigation Season 10 poster

Season 10 (2011)

with 24 episodes premiered on November 9, 2011

Secrecy of the investigation Season 11 poster

Season 11 (2012)

with 12 episodes premiered on May 2, 2012

Secrecy of the investigation Season 12 poster

Season 12 (2013)

with 12 episodes premiered on February 4, 2013

Secrecy of the investigation Season 13 poster

Season 13 (2013)

with 20 episodes premiered on December 16, 2013

Secrecy of the investigation Season 14 poster

Season 14 (2014)

with 16 episodes premiered on December 15, 2014

Secrecy of the investigation Season 15 poster

Season 15 (2015)

with 16 episodes premiered on December 14, 2015

Secrecy of the investigation Season 16 poster

Season 16 (2016)

with 20 episodes premiered on December 5, 2016

Secrecy of the investigation Season 17 poster

Season 17 (2017)

with 24 episodes premiered on December 11, 2017

Secrecy of the investigation Season 18 poster

Season 18 (2018)

with 24 episodes premiered on December 17, 2018

Secrecy of the investigation Season 19 poster

Season 19 (2019)

with 24 episodes premiered on December 9, 2019

Secrecy of the investigation Season 20 poster

Season 20 (2020)

with 24 episodes premiered on December 14, 2020

Secrecy of the investigation Season 21 poster

Season 21 (2021)

with 24 episodes premiered on December 13, 2021

Secrecy of the investigation Season 22 poster

Season 22 (2022)

with 18 episodes premiered on December 5, 2022

Secrecy of the investigation Season 23 poster

Season 23 (2023)

with 16 episodes premiered on December 7, 2023