Season 0 of Mundo Natural premiered on September 24, 1984.

Season 1 of Mundo Natural premiered on October 30, 1983.

Season 2 of Mundo Natural premiered on May 6, 1984.

Season 3 of Mundo Natural premiered on November 4, 1984.

Season 4 of Mundo Natural premiered on September 15, 1985.

Season 5 of Mundo Natural premiered on October 5, 1986.

Season 6 of Mundo Natural premiered on September 20, 1987.

Season 7 of Mundo Natural premiered on September 18, 1988.

Season 8 of Mundo Natural premiered on October 1, 1989.

Season 9 of Mundo Natural premiered on January 6, 1991.

Season 10 of Mundo Natural premiered on November 24, 1991.

Season 11 of Mundo Natural premiered on January 3, 1993.

Season 12 of Mundo Natural premiered on February 20, 1994.

Season 13 of Mundo Natural premiered on November 27, 1994.

Season 14 of Mundo Natural premiered on January 14, 1996.

Season 15 of Mundo Natural premiered on October 6, 1996.

Season 16 of Mundo Natural premiered on October 19, 1997.

Season 17 of Mundo Natural premiered on October 11, 1998.

Season 18 of Mundo Natural premiered on October 3, 1999.

Season 19 of Mundo Natural premiered on October 8, 2000.

Season 20 of Mundo Natural premiered on October 7, 2001.

Season 21 of Mundo Natural premiered on October 13, 2002.

Season 22 of Mundo Natural premiered on October 12, 2003.

Season 23 of Mundo Natural premiered on October 14, 2004.

Season 24 of Mundo Natural premiered on October 19, 2005.

Season 25 of Mundo Natural premiered on October 18, 2006.

Season 26 of Mundo Natural premiered on April 4, 2007.

Season 27 of Mundo Natural premiered on January 4, 2008.

Season 28 of Mundo Natural premiered on November 11, 2008.

Season 29 of Mundo Natural premiered on October 28, 2009.

Season 30 of Mundo Natural premiered on July 8, 2010.

Season 31 of Mundo Natural premiered on August 1, 2011.

Season 32 of Mundo Natural premiered on July 19, 2012.

Season 33 of Mundo Natural premiered on May 17, 2013.

Season 34 of Mundo Natural premiered on April 11, 2014.

Season 35 of Mundo Natural premiered on February 24, 2015.

Season 36 of Mundo Natural premiered on April 14, 2016.

Season 37 of Mundo Natural premiered on March 20, 2017.

Season 38 of Mundo Natural premiered on March 31, 2018.

Season 39 of Mundo Natural premiered on April 7, 2019.