Horizon
A BBC Two Original
Horizon dives into science to unpack astonishing discoveries, clear up puzzling questions, and lift the curtain on realms most viewers have never imagined. The show treats curiosity as a starting point and then follows ideas wherever testing and observation lead. Each episode builds a narrative... Read more
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Streaming availability last verified: January 28, 2026
About Horizon
Horizon dives into science to unpack astonishing discoveries, clear up puzzling questions, and lift the curtain on realms most viewers have never imagined. The show treats curiosity as a starting point and then follows ideas wherever testing and observation lead. Each episode builds a narrative that makes complex concepts feel approachable, without assuming advanced math or prior training. From lab benches to remote landscapes, it uses demonstrations, expert interviews, and crisp visuals to illuminate how the world works. While it never pretends to have all the answers, it invites you to think critically and stay curious. It promises that science isn't just a collection of facts but a way of looking at reality. The show often blends on location footage with demonstrations that you can visualize in your own life, making science feel immediate rather than abstract.
The program began airing in 1964 on BBC2 and is produced by the BBCs science unit. It relies on a rotating team of presenters and filmmakers to bring science to a broad audience, mixing curiosity with rigorous reporting and accessible explanations.
Awards: Across its long run, Horizon has earned recognition within the documentary and science communication world, including nominations at major industry ceremonies. The show's measured approach to explaining science has made it a touchstone for quality science broadcasting.
Cultural impact: The program helped shape how science is presented on television, its emphasis on curiosity, evidence and accessible visuals has influenced later documentaries and inspired viewers to seek out scientific explanations in daily life. It also popularized the idea that science can be engaging and comprehensible, shaping a generation of producers and viewers who approach claims with healthy skepticism.
Reception & Themes: Critics have noted its clear explanations, patient pacing, and insistence on evidence. The show often centers on discovery, skepticism, and the wonder of uncovering new truths about nature and technology. Episodes balance awe with analytic rigor, inviting questions rather than dictating answers, a format that endures across decades.
Details
- Release Date
- February 04, 1964
- Episode Length
- 1h
- Rating
- TV-PG
- User Ratings
- 33 votes
- Type
- TV Series
- Seasons
- 61
- Episodes
- 1173
- Network
- BBC Two
- Status
- Returning Series
- Genres
- Documentary
- Country
- United Kingdom
- External Links
- View on IMDB
Official Trailer
Seasons (61 seasons, 1173 episodes)
1964
9 episodes - 1964
1965
24 episodes - 1965
1966
23 episodes - 1966
1967
23 episodes - 1967
1968
24 episodes - 1968
1969
37 episodes - 1969
1970
37 episodes - 1970
1971
32 episodes - 1971
1972
33 episodes - 1972
1973
32 episodes - 1973
1974
33 episodes - 1974
1975
26 episodes - 1975
1976
30 episodes - 1976
1977
23 episodes - 1977
1978
24 episodes - 1978
1979
25 episodes - 1979
1980
25 episodes - 1980
1981
27 episodes - 1981
1982
22 episodes - 1982
1983
24 episodes - 1983
1984
22 episodes - 1984
1985
16 episodes - 1985
1986
22 episodes - 1986
1987
22 episodes - 1987
1988
25 episodes - 1988
1989
20 episodes - 1989
1990
20 episodes - 1990
1991
23 episodes - 1991
1992
19 episodes - 1992
1993
21 episodes - 1993
1994
21 episodes - 1994
1995
20 episodes - 1995
1996
16 episodes - 1996
1997
15 episodes - 1997
1998
18 episodes - 1998
1999
14 episodes - 1999
2000
19 episodes - 2000
2001
11 episodes - 2001
2002
18 episodes - 2002
2003
19 episodes - 2003
2004
18 episodes - 2004
2005
20 episodes - 2005
2006
19 episodes - 2006
2007
9 episodes - 2007
2008
17 episodes - 2008
2009
18 episodes - 2009
2009-2010
14 episodes - 2009
2010-2011
15 episodes - 2010
2011-2012
13 episodes - 2011
2012-2013
16 episodes - 2012
2013-2014
11 episodes - 2013
2014-2015
18 episodes - 2014
2016
16 episodes - 2016
2017
15 episodes - 2017
2018
13 episodes - 2018
2019
6 episodes - 2019
2020
8 episodes - 2020
2021
4 episodes - 2021
2022
4 episodes - 2022
2024
1 episodes - 2024
2025
4 episodes - 2025
