Horizon

Season 1

9 episodes · 1964

Season 2

24 episodes · 1965

Season 3

23 episodes · 1966

Season 4

23 episodes · 1967

Season 5

24 episodes · 1968

Season 6

37 episodes · 1969

Season 7

37 episodes · 1970

Season 8

32 episodes · 1971

Season 9

33 episodes · 1972

Season 10

32 episodes · 1973

Season 11

33 episodes · 1974

Season 12

26 episodes · 1975

Season 13

30 episodes · 1976

Season 14

23 episodes · 1977

Season 15

24 episodes · 1978

Season 16

25 episodes · 1979

Season 17

25 episodes · 1980

Season 18

27 episodes · 1981

Season 19

22 episodes · 1982

Season 20

24 episodes · 1983

Season 21

22 episodes · 1984

Season 22

16 episodes · 1985

Season 23

22 episodes · 1986

Season 24

22 episodes · 1987

Season 25

25 episodes · 1988

Season 26

20 episodes · 1989

Season 27

20 episodes · 1990

Season 28

23 episodes · 1991

Season 29

19 episodes · 1992

Season 30

21 episodes · 1993

Season 31

21 episodes · 1994

Season 32

20 episodes · 1995

Season 33

16 episodes · 1996

Season 34

15 episodes · 1997

Season 35

18 episodes · 1998

Season 36

14 episodes · 1999

Season 37

19 episodes · 2000

Season 38

11 episodes · 2001

Season 39

18 episodes · 2002

Season 40

19 episodes · 2003

Season 41

18 episodes · 2004

Season 42

20 episodes · 2005

Season 43

19 episodes · 2006

Season 44

9 episodes · 2007

Season 45

17 episodes · 2008

Season 46

18 episodes · 2009

Season 47

14 episodes · 2009

Season 48

15 episodes · 2010

Season 49

13 episodes · 2011

Season 50

16 episodes · 2012

Season 51

11 episodes · 2013

Season 52

18 episodes · 2014

Season 53

16 episodes · 2016

Season 54

15 episodes · 2017

Season 55

13 episodes · 2018

Season 56

6 episodes · 2019

Season 57

8 episodes · 2020

Season 58

4 episodes · 2021

Season 59

4 episodes · 2022

Season 60

1 episode · 2024

Season 61

4 episodes · 2025

Season 62

1 episode · 2026