Season 0 of Complément d'enquête premiered on October 11, 2011.

Season 1 of Complément d'enquête premiered on September 17, 2001.

Season 2 of Complément d'enquête premiered on September 30, 2002.

Season 3 of Complément d'enquête premiered on September 22, 2003.

Season 4 of Complément d'enquête premiered on September 20, 2004.

Season 5 of Complément d'enquête premiered on September 19, 2005.

Season 6 of Complément d'enquête premiered on September 18, 2006.

Season 7 of Complément d'enquête premiered on September 24, 2007.

Season 8 of Complément d'enquête premiered on September 15, 2008.

Season 9 of Complément d'enquête premiered on September 14, 2009.

Season 10 of Complément d'enquête premiered on September 20, 2010.

Season 11 of Complément d'enquête premiered on September 8, 2011.

Season 12 of Complément d'enquête premiered on September 6, 2012.

Season 13 of Complément d'enquête premiered on September 12, 2013.

Season 14 of Complément d'enquête premiered on September 4, 2014.

Season 15 of Complément d'enquête premiered on August 27, 2015.

Season 16 of Complément d'enquête premiered on September 1, 2016.

Season 17 of Complément d'enquête premiered on September 7, 2017.

Season 18 of Complément d'enquête premiered on September 6, 2018.

Season 19 of Complément d'enquête premiered on September 5, 2019.

Season 20 of Complément d'enquête premiered on September 3, 2020.

Season 21 of Complément d'enquête premiered on September 2, 2021.

Season 22 of Complément d'enquête premiered on September 1, 2022.

Season 23 of Complément d'enquête premiered on January 5, 2023.

Season 24 of Complément d'enquête premiered on September 12, 2024.