Series196462 seasonsReturning Series
Rating weighted by how many people voted
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
1964
1964 · 9 episodes
1965
1965 · 24 episodes
1966
1966 · 23 episodes
1967
1967 · 23 episodes
1968
1968 · 24 episodes
1969
1969 · 37 episodes
1970
1970 · 37 episodes
1971
1971 · 32 episodes
1972
1972 · 33 episodes
1973
1973 · 32 episodes
1974
1974 · 33 episodes
1975
1975 · 26 episodes
1976
1976 · 30 episodes
1977
1977 · 23 episodes
1978
1978 · 24 episodes
1979
1979 · 25 episodes
1980
1980 · 25 episodes
1981
1981 · 27 episodes
1982
1982 · 22 episodes
1983
1983 · 24 episodes
1984
1984 · 22 episodes
1985
1985 · 16 episodes
1986
1986 · 22 episodes
1987
1987 · 22 episodes
1988
1988 · 25 episodes
1989
1989 · 20 episodes
1990
1990 · 20 episodes
1991
1991 · 23 episodes
1992
1992 · 19 episodes
1993
1993 · 21 episodes
1994
1994 · 21 episodes
1995
1995 · 20 episodes
1996
1996 · 16 episodes
1997
1997 · 15 episodes
1998
1998 · 18 episodes
1999
1999 · 14 episodes
2000
2000 · 19 episodes
2001
2001 · 11 episodes
2002
2002 · 18 episodes
2003
2003 · 19 episodes
2004
2004 · 18 episodes
2005
2005 · 20 episodes
2006
2006 · 19 episodes
2007
2007 · 9 episodes
2008
2008 · 17 episodes
2009
2009 · 18 episodes
2009-2010
2009 · 14 episodes
2010-2011
2010 · 15 episodes
2011-2012
2011 · 13 episodes
2012-2013
2012 · 16 episodes
2013-2014
2013 · 11 episodes
2014-2015
2014 · 18 episodes
2016
2016 · 16 episodes
2017
2017 · 15 episodes
2018
2018 · 13 episodes
2019
2019 · 6 episodes
2020
2020 · 8 episodes
2021
2021 · 4 episodes
2022
2022 · 4 episodes
2024
2024 · 1 episode
2025
2025 · 4 episodes
2026
2026 · 1 episode
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Ranked against what Horizon is actually about, not its genre labels.
