Horizon - Season 4 : Episode 20

1967-01-17

Documentary

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

Sons of Cain

0.0

Episode 1

1967-01-17

When Is a Body Dead? / How to Win Friends and Influence People

0.0

Episode 2

1967-01-31

How Best to Make a Man / How Best to Make a Scientist

0.0

Episode 3

1967-02-14

Dynamo - The Life of Michael Faraday

0.0

Episode 4

1967-02-28

Migraine

0.0

Episode 5

1967-03-14

How Safe Is Surgery?

0.0

Episode 6

1967-03-28

Sleep and Dreams

0.0

Episode 7

1967-04-11

The Shape of War to Come

0.0

Episode 8

1967-04-25

Memory

0.0

Episode 9

1967-05-09

Masters of the Desert

0.0

Episode 10

1967-05-23

Cancer - The Search for the Virus

0.0

Episode 11

1967-06-06

Cancer - The Smoker's Gamble

0.0

Episode 12

1967-06-20

Science and the Supernatural

0.0

Episode 13

1967-07-04

Hypnosis

0.0

Episode 14

1967-07-18

The War of the Boffins

0.0

Episode 15

1967-09-12

Aspects of Alcohol

0.0

Episode 17

1967-09-26

Lords of the Sea

0.0

Episode 18

1967-10-10

Will Art Last?

0.0

Episode 19

1967-10-24

Air Safety: The Unknown Factor

0.0

Episode 20

1967-11-17

The Life and Death of the Pine Processionary

0.0

Episode 21

1967-11-21

Koestler on Creativity

0.0

Episode 22

1967-12-05

The World of Ted Serios

0.0

Episode 23

1967-12-12

Professor in Toyland

0.0

Episode 24

1967-12-24

Specials

Episodes : 111

Specials

1966-12-25

1964

Episodes : 9

1964

1964-02-04

1965

Episodes : 24

1965

1965-01-06

1966

Episodes : 23

1966

1966-01-02

1967

Episodes : 23

1967

1967-01-17

1968

Episodes : 24

1968

1968-01-02

1969

Episodes : 37

1969

1969-01-02

1970

Episodes : 37

1970

1970-01-05

1971

Episodes : 32

1971

1971-01-04

1972

Episodes : 33

1972

1972-01-03

1973

Episodes : 32

1973

1973-01-04

1974

Episodes : 33

1974

1974-01-07

1975

Episodes : 26

1975

1975-01-20

1976

Episodes : 30

1976

1976-01-05

1977

Episodes : 23

1977

1977-01-07

1978

Episodes : 24

1978

1978-01-06

1979

Episodes : 25

1979

1979-02-26

1980

Episodes : 25

1980

1980-01-14

1981

Episodes : 27

1981

1981-01-05

1982

Episodes : 22

1982

1982-01-11

1983

Episodes : 24

1983

1983-01-10

1984

Episodes : 22

1984

1984-01-09

1985

Episodes : 16

1985

1985-01-07

1986

Episodes : 22

1986

1986-01-06

1987

Episodes : 22

1987

1987-01-05

1988

Episodes : 25

1988

1988-01-04

1989

Episodes : 20

1989

1989-01-09

1990

Episodes : 20

1990

1990-01-08

1991

Episodes : 23

1991

1991-01-07

1992

Episodes : 19

1992

1992-01-06

1993

Episodes : 21

1993

1993-01-04

1994

Episodes : 21

1994

1994-01-10

1995

Episodes : 20

1995

1995-01-09

1996

Episodes : 16

1996

1996-01-08

1997

Episodes : 15

1997

1997-02-27

1998

Episodes : 18

1998

1998-02-19

1999

Episodes : 14

1999

1999-01-28

2000

Episodes : 19

2000

2000-01-12

2001

Episodes : 11

2001

2001-01-25

2002

Episodes : 18

2002

2002-01-10

2003

Episodes : 19

2003

2003-01-09

2004

Episodes : 18

2004

2004-01-08

2005

Episodes : 20

2005

2005-01-13

2006

Episodes : 19

2006

2006-01-12

2007

Episodes : 9

2007

2007-03-13

2008

Episodes : 17

2008

2008-01-15

2009

Episodes : 18

2009

2009-01-26

2009-2010

Episodes : 14

2009-2010

2009-10-13

2010-2011

Episodes : 15

2010-2011

2010-09-27

2011-2012

Episodes : 13

2011-2012

2011-08-08

2012-2013

Episodes : 16

2012-2013

2012-07-23

2013-2014

Episodes : 11

2013-2014

2013-08-12

2014-2015

Episodes : 18

2014-2015

2014-08-18

2016

Episodes : 16

2016

2016-03-16

2017

Episodes : 15

2017

2017-01-19

2018

Episodes : 13

2018

2018-02-05

2019

Episodes : 6

2019

2019-01-23

2020

Episodes : 8

2020

2020-01-16

2021

Episodes : 4

2021

2021-01-04

2022

Episodes : 4

2022

2022-03-31

2024

Episodes : 1

2024

2024-07-22

The Gilded Age

7.8

The Gilded Age

2022-01-24

Revenged Love

9.8

Revenged Love

2025-06-16

Rick and Morty

8.7

Rick and Morty

2013-12-02

The Walking Dead: Dead City

8.0

The Walking Dead: Dead City

2023-06-18

The Waterfront

7.4

The Waterfront

2025-06-19

Olympo

7.1

Olympo

2025-06-20

The Litchi Road

8.0

The Litchi Road

2025-06-07

One Piece

8.7

One Piece

1999-10-20

MobLand

8.5

MobLand

2025-03-30

Breaking Bad

8.9

Breaking Bad

2008-01-20

We Were Liars

6.2

We Were Liars

2025-06-18

Head Over Heels

9.0

Head Over Heels

2025-06-23

Attack on Titan

8.7

Attack on Titan

2013-04-07

Murderbot

7.4

Murderbot

2025-05-15

Lazarus

9.1

Lazarus

2025-04-06

The Rookie

8.5

The Rookie

2018-10-16

Ironheart

8.5

Ironheart

2025-06-24

Game of Thrones

8.5

Game of Thrones

2011-04-17