Season 1 of Echt premiered on September 27, 2005.

Season 2 of Echt premiered on January 3, 2006.

Season 3 of Echt premiered on January 9, 2007.

Season 4 of Echt premiered on January 8, 2008.

Season 5 of Echt premiered on January 13, 2009.

Season 6 of Echt premiered on January 12, 2010.

Season 7 of Echt premiered on January 18, 2011.

Season 8 of Echt premiered on January 3, 2012.

Season 9 of Echt premiered on January 15, 2013.

Season 10 of Echt premiered on January 28, 2014.

Season 11 of Echt premiered on January 13, 2015.

Season 12 of Echt premiered on January 19, 2016.

Season 13 of Echt premiered on January 17, 2017.

Season 14 of Echt premiered on January 9, 2018.

Season 15 of Echt premiered on February 6, 2019.

Season 16 of Echt premiered on February 26, 2020.

Season 17 of Echt premiered on January 13, 2021.

Season 18 of Echt premiered on January 12, 2022.