Season 0 of Zimmer frei! premiered on August 15, 1998.

Season 1 of Zimmer frei! premiered on July 9, 1996.

Season 2 of Zimmer frei! premiered on January 19, 1997.

Season 3 of Zimmer frei! premiered on January 11, 1998.

Season 4 of Zimmer frei! premiered on January 10, 1999.

Season 5 of Zimmer frei! premiered on January 9, 2000.

Season 6 of Zimmer frei! premiered on January 4, 2001.

Season 7 of Zimmer frei! premiered on January 6, 2002.

Season 8 of Zimmer frei! premiered on January 12, 2003.

Season 9 of Zimmer frei! premiered on January 4, 2004.

Season 10 of Zimmer frei! premiered on January 9, 2005.

Season 11 of Zimmer frei! premiered on January 8, 2006.

Season 12 of Zimmer frei! premiered on January 21, 2007.

Season 13 of Zimmer frei! premiered on January 13, 2008.

Season 14 of Zimmer frei! premiered on January 11, 2009.

Season 15 of Zimmer frei! premiered on January 17, 2010.

Season 16 of Zimmer frei! premiered on January 9, 2011.

Season 17 of Zimmer frei! premiered on January 8, 2012.

Season 18 of Zimmer frei! premiered on January 27, 2013.

Season 19 of Zimmer frei! premiered on February 2, 2014.

Season 20 of Zimmer frei! premiered on February 1, 2015.

Season 21 of Zimmer frei! premiered on January 31, 2016.