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Horizon

7.4
61 seasons
1173 episodes
Returning Series
Documentary

Plot Summary

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

First Aired:February 4, 1964
Last Aired:October 6, 2025
Episode Runtime:1h 0m
Networks:
BBC Two

Where to watch free (US)

No free providers found in US.

See more options on TMDB

Seasons (62)

1964

1964

9 episodes

Aired: 1964

1965

1965

24 episodes

Aired: 1965

1966

1966

23 episodes

Aired: 1966

1967

1967

23 episodes

Aired: 1967

1968

1968

24 episodes

Aired: 1968

1969

1969

37 episodes

Aired: 1969

1970

1970

37 episodes

Aired: 1970

1971
8.0

1971

32 episodes

Aired: 1971

1972

1972

33 episodes

Aired: 1972

1973

1973

32 episodes

Aired: 1973

1974
8.0

1974

33 episodes

Aired: 1974

1975

1975

26 episodes

Aired: 1975

1976

1976

30 episodes

Aired: 1976

1977

1977

23 episodes

Aired: 1977

1978

1978

24 episodes

Aired: 1978

1979

1979

25 episodes

Aired: 1979

1980

1980

25 episodes

Aired: 1980

1981

1981

27 episodes

Aired: 1981

1982
8.0

1982

22 episodes

Aired: 1982

1983
1.0

1983

24 episodes

Aired: 1983

1984
7.0

1984

22 episodes

Aired: 1984

1985

1985

16 episodes

Aired: 1985

1986

1986

22 episodes

Aired: 1986

1987

1987

22 episodes

Aired: 1987

1988

1988

25 episodes

Aired: 1988

1989

1989

20 episodes

Aired: 1989

1990

1990

20 episodes

Aired: 1990

1991

1991

23 episodes

Aired: 1991

1992

1992

19 episodes

Aired: 1992

1993

1993

21 episodes

Aired: 1993

1994
3.0

1994

21 episodes

Aired: 1994

1995

1995

20 episodes

Aired: 1995

1996
7.0

1996

16 episodes

Aired: 1996

1997

1997

15 episodes

Aired: 1997

1998

1998

18 episodes

Aired: 1998

1999
8.0

1999

14 episodes

Aired: 1999

2000
8.0

2000

19 episodes

Aired: 2000

2001

2001

11 episodes

Aired: 2001

2002
5.0

2002

18 episodes

Aired: 2002

2003

2003

19 episodes

Aired: 2003

2004

2004

18 episodes

Aired: 2004

2005
9.0

2005

20 episodes

Aired: 2005

2006
5.0

2006

19 episodes

Aired: 2006

2007

2007

9 episodes

Aired: 2007

2008
9.0

2008

17 episodes

Aired: 2008

2009
2.0

2009

18 episodes

Aired: 2009

2009-2010
7.8

2009-2010

14 episodes

Aired: 2009

2010-2011
8.0

2010-2011

15 episodes

Aired: 2010

2011-2012
10.0

2011-2012

13 episodes

Aired: 2011

2012-2013
7.8

2012-2013

16 episodes

Aired: 2012

2013-2014
7.7

2013-2014

11 episodes

Aired: 2013

2014-2015
7.3

2014-2015

18 episodes

Aired: 2014

2016
7.5

2016

16 episodes

Aired: 2016

2017
8.1

2017

15 episodes

Aired: 2017

2018
7.4

2018

13 episodes

Aired: 2018

2019
7.5

2019

6 episodes

Aired: 2019

2020
8.3

2020

8 episodes

Aired: 2020

2021

2021

4 episodes

Aired: 2021

2022

2022

4 episodes

Aired: 2022

2024
9.0

2024

1 episode

Aired: 2024

2025

2025

4 episodes

Aired: 2025