Season 1 of Enquête premiered on 2007-09-12.

Season 2 of Enquête premiered on 2008-09-25.

Season 3 of Enquête premiered on 2009-09-17.

Season 4 of Enquête premiered on 2010-09-30.

Season 5 of Enquête premiered on 2011-09-15.

Season 6 of Enquête premiered on 2012-09-27.

Season 7 of Enquête premiered on 2013-09-26.

Season 8 of Enquête premiered on 2014-09-25.

Season 9 of Enquête premiered on 2015-09-10.

Season 10 of Enquête premiered on 2016-09-15.

Season 11 of Enquête premiered on 2017-09-14.

Season 12 of Enquête premiered on 2018-09-20.

Season 13 of Enquête premiered on 2019-09-12.

Season 14 of Enquête premiered on 2020-09-23.

Season 15 of Enquête premiered on 2021-09-23.

Season 16 of Enquête premiered on 2022-09-15.

Season 17 of Enquête premiered on 2023-09-21.

Season 18 of Enquête premiered on 2024-09-19.

Season 19 of Enquête premiered on 2025-09-18.