Horizon

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

Seasons

Specials

Episodes: 111

1964

Episodes: 9

1965

Episodes: 24

1966

Episodes: 23

1967

Episodes: 23

1968

Episodes: 24

1969

Episodes: 37

1970

Episodes: 37

1971

Episodes: 32

1972

Episodes: 33

1973

Episodes: 32

1974

Episodes: 33

1975

Episodes: 26

1976

Episodes: 30

1977

Episodes: 23

1978

Episodes: 24

1979

Episodes: 25

1980

Episodes: 25

1981

Episodes: 27

1982

Episodes: 22

1983

Episodes: 24

1984

Episodes: 22

1985

Episodes: 16

1986

Episodes: 22

1987

Episodes: 22

1988

Episodes: 25

1989

Episodes: 20

1990

Episodes: 20

1991

Episodes: 23

1992

Episodes: 19

1993

Episodes: 21

1994

Episodes: 21

1995

Episodes: 20

1996

Episodes: 16

1997

Episodes: 15

1998

Episodes: 18

1999

Episodes: 14

2000

Episodes: 19

2001

Episodes: 11

2002

Episodes: 18

2003

Episodes: 19

2004

Episodes: 18

2005

Episodes: 20

2006

Episodes: 19

2007

Episodes: 9

2008

Episodes: 17

2009

Episodes: 18

2009-2010

Episodes: 14

2010-2011

Episodes: 15

2011-2012

Episodes: 13

2012-2013

Episodes: 16

2013-2014

Episodes: 11

2014-2015

Episodes: 18

2016

Episodes: 16

2017

Episodes: 15

2018

Episodes: 13

2019

Episodes: 6

2020

Episodes: 8

2021

Episodes: 4

2022

Episodes: 4

2024

Episodes: 1

2025

Episodes: 4