Season 0 of In aller Freundschaft premiered on May 26, 2002.

Season 1 of In aller Freundschaft premiered on October 26, 1998.

Season 2 of In aller Freundschaft premiered on August 16, 1999.

Season 3 of In aller Freundschaft premiered on August 21, 2000.

Season 4 of In aller Freundschaft premiered on September 3, 2001.

Season 5 of In aller Freundschaft premiered on August 20, 2002.

Season 6 of In aller Freundschaft premiered on January 7, 2003.

Season 7 of In aller Freundschaft premiered on January 6, 2004.

Season 8 of In aller Freundschaft premiered on January 4, 2005.

Season 9 of In aller Freundschaft premiered on January 3, 2006.

Season 10 of In aller Freundschaft premiered on January 16, 2007.

Season 11 of In aller Freundschaft premiered on December 11, 2007.

Season 12 of In aller Freundschaft premiered on January 6, 2009.

Season 13 of In aller Freundschaft premiered on January 12, 2010.

Season 14 of In aller Freundschaft premiered on January 11, 2011.

Season 15 of In aller Freundschaft premiered on January 10, 2012.

Season 16 of In aller Freundschaft premiered on January 8, 2013.

Season 17 of In aller Freundschaft premiered on January 14, 2014.

Season 18 of In aller Freundschaft premiered on January 6, 2015.

Season 19 of In aller Freundschaft premiered on January 5, 2016.

Season 20 of In aller Freundschaft premiered on January 3, 2017.

Season 21 of In aller Freundschaft premiered on January 2, 2018.

Season 22 of In aller Freundschaft premiered on January 8, 2019.

Season 23 of In aller Freundschaft premiered on January 7, 2020.

Season 24 of In aller Freundschaft premiered on March 23, 2021.

Season 25 of In aller Freundschaft premiered on March 15, 2022.

Season 26 of In aller Freundschaft premiered on March 28, 2023.

Season 27 of In aller Freundschaft premiered on April 9, 2024.

Season 28 of In aller Freundschaft premiered on April 1, 2025.