1999 | 10 Episodes
Season 0 of NOVA premiered on July 13, 1999.
1974 | 13 Episodes
Season 1 of NOVA premiered on March 3, 1974.
1974 | 17 Episodes
Season 2 of NOVA premiered on November 3, 1974.
1976 | 20 Episodes
Season 3 of NOVA premiered on January 4, 1976.
1977 | 19 Episodes
Season 4 of NOVA premiered on January 5, 1977.
1978 | 21 Episodes
Season 5 of NOVA premiered on January 4, 1978.
1979 | 19 Episodes
Season 6 of NOVA premiered on January 4, 1979.
1980 | 20 Episodes
Season 7 of NOVA premiered on January 15, 1980.
1981 | 20 Episodes
Season 8 of NOVA premiered on January 6, 1981.
1982 | 19 Episodes
Season 9 of NOVA premiered on January 10, 1982.
1983 | 21 Episodes
Season 10 of NOVA premiered on January 18, 1983.
1984 | 20 Episodes
Season 11 of NOVA premiered on January 17, 1984.
1985 | 20 Episodes
Season 12 of NOVA premiered on January 15, 1985.
1986 | 21 Episodes
Season 13 of NOVA premiered on January 21, 1986.
1987 | 21 Episodes
Season 14 of NOVA premiered on January 20, 1987.
1988 | 22 Episodes
Season 15 of NOVA premiered on January 19, 1988.
1989 | 20 Episodes
Season 16 of NOVA premiered on January 17, 1989.
1990 | 20 Episodes
Season 17 of NOVA premiered on January 9, 1990.
1991 | 19 Episodes
Season 18 of NOVA premiered on January 8, 1991.
1992 | 20 Episodes
Season 19 of NOVA premiered on January 14, 1992.
1993 | 20 Episodes
Season 20 of NOVA premiered on January 5, 1993.
1994 | 20 Episodes
Season 21 of NOVA premiered on January 18, 1994.
1995 | 13 Episodes
Season 22 of NOVA premiered on January 8, 1995.
1995 | 19 Episodes
Season 23 of NOVA premiered on October 10, 1995.
1996 | 21 Episodes
Season 24 of NOVA premiered on October 1, 1996.
1997 | 20 Episodes
Season 25 of NOVA premiered on October 7, 1997.
1998 | 20 Episodes
Season 26 of NOVA premiered on October 6, 1998.
1999 | 21 Episodes
Season 27 of NOVA premiered on October 5, 1999.
2000 | 17 Episodes
Season 28 of NOVA premiered on October 24, 2000.
2001 | 17 Episodes
Season 29 of NOVA premiered on October 2, 2001.
2002 | 16 Episodes
Season 30 of NOVA premiered on September 3, 2002.
2003 | 18 Episodes
Season 31 of NOVA premiered on September 30, 2003.
2004 | 18 Episodes
Season 32 of NOVA premiered on September 28, 2004.
2005 | 20 Episodes
Season 33 of NOVA premiered on September 20, 2005.
2006 | 15 Episodes
Season 34 of NOVA premiered on September 5, 2006.
2007 | 17 Episodes
Season 35 of NOVA premiered on October 9, 2007.
2008 | 17 Episodes
Season 36 of NOVA premiered on October 7, 2008.
2009 | 18 Episodes
Season 37 of NOVA premiered on October 6, 2009.
2010 | 18 Episodes
Season 38 of NOVA premiered on October 19, 2010.
2011 | 19 Episodes
Season 39 of NOVA premiered on September 7, 2011.
2012 | 20 Episodes
Season 40 of NOVA premiered on October 10, 2012.
2013 | 22 Episodes
Season 41 of NOVA premiered on September 11, 2013.
2014 | 22 Episodes
Season 42 of NOVA premiered on September 10, 2014.
2015 | 22 Episodes
Season 43 of NOVA premiered on September 16, 2015.
2016 | 28 Episodes
Season 44 of NOVA premiered on September 7, 2016.
2018 | 23 Episodes
Season 45 of NOVA premiered on January 10, 2018.
2019 | 23 Episodes
Season 46 of NOVA premiered on January 2, 2019.
2020 | 16 Episodes
Season 47 of NOVA premiered on February 5, 2020.
2021 | 25 Episodes
Season 48 of NOVA premiered on January 14, 2021.
2022 | 19 Episodes
Season 49 of NOVA premiered on February 2, 2022.
2023 | 18 Episodes
Season 50 of NOVA premiered on February 1, 2023.
2024 | 21 Episodes
Season 51 of NOVA premiered on January 31, 2024.
2025 | 11 Episodes
Season 52 of NOVA premiered on January 22, 2025.
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