Season 1 of Navarro premiered on October 26, 1989.

Season 2 of Navarro premiered on January 11, 1990.

Season 3 of Navarro premiered on January 10, 1991.

Season 4 of Navarro premiered on February 20, 1992.

Season 5 of Navarro premiered on January 14, 1993.

Season 6 of Navarro premiered on January 13, 1994.

Season 7 of Navarro premiered on January 30, 1995.

Season 8 of Navarro premiered on March 14, 1996.

Season 9 of Navarro premiered on May 15, 1997.

Season 10 of Navarro premiered on April 23, 1998.

Season 11 of Navarro premiered on March 29, 1998.

Season 12 of Navarro premiered on February 3, 2000.

Season 13 of Navarro premiered on February 1, 2001.

Season 14 of Navarro premiered on March 28, 2002.

Season 15 of Navarro premiered on January 9, 2003.

Season 16 of Navarro premiered on February 19, 2004.

Season 17 of Navarro premiered on January 20, 2005.

Season 18 of Navarro premiered on February 16, 2006.

Season 19 of Navarro premiered on February 1, 2007.