Events
January
- January 6 – Scott Marlowe died.
March
- March 16 – "Family Values" aired. This was the first episode to be broadcast on the Sci-Fi Channel (now Syfy).
- March 23 – "Patient Zero" aired.
- March 30 – "A New Life" aired.
April
- April 6 – "The Surrogate" aired.
- April 13 – "The Vessel" aired.
- April 20 – "Mona Lisa" aired.
- April 27 – "Replica" aired.
May
- May 23 – Harry Townes died.
June
- June 15 – "Think Like a Dinosaur" aired.
- June 21 – Carroll O'Connor died.
- June 22 – "Alien Shop" aired.
- June 29 – "Worlds Within" aired.
July
- July 6 – "In the Blood" aired.
- July 21 – "Flower Child" aired.
- July 28 – "Free Spirit" aired.
August
- August 4 – "Mindreacher" aired.
- August 11 – "Time to Time" aired.
- August 18 – "Abduction" aired.
- August 25 – "Rule of Law" aired.
September
- September 8 – "Lion's Den" aired.
- September 15 – "The Tipping Point" aired.
December
- December 18 – Alan Crosland, Jr. died.
| Early production history | 1880s • 1890s • 1900s • 1910s • 1920s • 1930s • 1940s • 1950s |
| 1960s | 1960 • 1961 • 1962 • 1963 • 1964 • 1965 • 1966 • 1967 • 1968 • 1969 |
| 1970s | 1970 • 1971 • 1972 • 1973 • 1974 • 1975 • 1976 • 1977 • 1978 • 1979 |
| 1980s | 1980 • 1981 • 1982 • 1983 • 1984 • 1985 • 1986 • 1987 • 1988 • 1989 |
| 1990s | 1990 • 1991 • 1992 • 1993 • 1994 • 1995 • 1996 • 1997 • 1998 • 1999 |
| 2000s | 2000 • 2001 • 2002 • 2003 • 2004 • 2005 • 2006 • 2007 • 2008 • 2009 |
| 2010s | 2010 • 2011 • 2012 • 2013 • 2014 • 2015 • 2016 • 2017 • 2018 • 2019 |
| 2020s | 2020 • 2021 • 2022 • 2023 • 2024 • 2025 • 2026 |