Season 0 of Timewatch premiered on August 17, 1991.

Season 1 of Timewatch premiered on September 29, 1982.

Season 2 of Timewatch premiered on January 26, 1983.

Season 3 of Timewatch premiered on January 3, 1984.

Season 4 of Timewatch premiered on January 9, 1985.

Season 5 of Timewatch premiered on January 1, 1986.

Season 6 of Timewatch premiered on January 15, 1987.

Season 7 of Timewatch premiered on January 6, 1988.

Season 8 of Timewatch premiered on January 11, 1989.

Season 9 of Timewatch premiered on January 17, 1990.

Season 10 of Timewatch premiered on January 23, 1991.

Season 11 of Timewatch premiered on January 15, 1992.

Season 12 of Timewatch premiered on January 13, 1993.

Season 13 of Timewatch premiered on January 12, 1994.

Season 14 of Timewatch premiered on January 11, 1995.

Season 15 of Timewatch premiered on January 14, 1996.

Season 16 of Timewatch premiered on February 25, 1997.

Season 17 of Timewatch premiered on April 7, 1998.

Season 18 of Timewatch premiered on April 17, 1999.

Season 19 of Timewatch premiered on January 8, 2000.

Season 20 of Timewatch premiered on January 12, 2001.

Season 21 of Timewatch premiered on January 4, 2002.

Season 22 of Timewatch premiered on January 10, 2003.

Season 23 of Timewatch premiered on January 9, 2004.

Season 24 of Timewatch premiered on January 29, 2005.

Season 25 of Timewatch premiered on January 20, 2006.

Season 26 of Timewatch premiered on January 5, 2007.

Season 27 of Timewatch premiered on January 5, 2008.

Season 28 of Timewatch premiered on February 21, 2009.

Season 29 of Timewatch premiered on June 2, 2010.

Season 30 of Timewatch premiered on October 25, 2011.