Season 0 of Complément d'enquête premiered on 2011-10-11.

Season 1 of Complément d'enquête premiered on 2001-09-17.

Season 2 of Complément d'enquête premiered on 2002-09-30.

Season 3 of Complément d'enquête premiered on 2003-09-22.

Season 4 of Complément d'enquête premiered on 2004-09-20.

Season 5 of Complément d'enquête premiered on 2005-09-19.

Season 6 of Complément d'enquête premiered on 2006-09-18.

Season 7 of Complément d'enquête premiered on 2007-09-24.

Season 8 of Complément d'enquête premiered on 2008-09-15.

Season 9 of Complément d'enquête premiered on 2009-09-14.

Season 10 of Complément d'enquête premiered on 2010-09-20.

Season 11 of Complément d'enquête premiered on 2011-09-08.

Season 12 of Complément d'enquête premiered on 2012-09-06.

Season 13 of Complément d'enquête premiered on 2013-09-12.

Season 14 of Complément d'enquête premiered on 2014-09-04.

Season 15 of Complément d'enquête premiered on 2015-08-27.

Season 16 of Complément d'enquête premiered on 2016-09-01.

Season 17 of Complément d'enquête premiered on 2017-09-07.

Season 18 of Complément d'enquête premiered on 2018-09-06.

Season 19 of Complément d'enquête premiered on 2019-09-05.

Season 20 of Complément d'enquête premiered on 2020-09-03.

Season 21 of Complément d'enquête premiered on 2021-09-02.

Season 22 of Complément d'enquête premiered on 2022-09-01.

Season 23

8

.

2023

.

41 Episodes

Season 23 of Complément d'enquête premiered on 2023-01-05.

Season 24

8

.

2024

.

23 Episodes

Season 24 of Complément d'enquête premiered on 2024-09-12.

Season 25 of Complément d'enquête premiered on 2025-09-04.