Horizon - Seasons
Specials
1966
•
111 episodes
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 episodes
2025
2025
•
4 episodes