Clouds of alien life forms are sweeping through outer space and infecting planets with life – it may not be as far-fetched as it sounds. The idea that life on Earth came from another planet has been around as a modern scientific theory since the 1960s when it was proposed by Fred Hoyle and Chandra Wickramasinghe. At the time they were ridiculed for their idea – known as panspermia. But now, with growing evidence, it's back in vogue and even being studied by NASA. Horizon meets the scientists on a mission to get to the bottom of the beginnings of life on Earth - from the team in Texas who are lovingly building a robotic submarine called DEPTHX to explore a moon of Jupiter, to Southern India where they are investigating a mysterious red rain which fell for two months in 2001. According to local scientist Godfrey Louis, the rain contains biological cells unlike any he had seen before – with no DNA and the ability to replicate at 300°C. Louis has come to the conclusion that the cells are extra-terrestrial in origin. | ||
| Title | : | Horizon |
| First Air Date | : | Feb 04, 1964 |
| Last Air Date | : | Jul 22, 2024 |
| Number of Episodes | : | 1169 |
| Number of Seasons | : | 60 |
| Genres | : | Documentary |
| Networks | : | BBC Two |
| Casts | : | |
| Alternative Titles | : | BBC Horizon |
| Plot Keywords | : | |
Season List
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25-12-1966
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04-02-1964
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06-01-1965
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02-01-1966
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17-01-1967
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02-01-1968
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02-01-1969
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05-01-1970
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04-01-1971
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03-01-1972
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04-01-1973
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07-01-1974
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20-01-1975
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05-01-1976
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07-01-1977
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06-01-1978
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26-02-1979
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14-01-1980
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05-01-1981
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11-01-1982
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10-01-1983
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09-01-1984
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07-01-1985
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06-01-1986
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05-01-1987
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04-01-1988
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09-01-1989
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08-01-1990
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07-01-1991
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06-01-1992
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04-01-1993
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10-01-1994
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09-01-1995
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08-01-1996
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27-02-1997
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19-02-1998
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28-01-1999
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12-01-2000
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25-01-2001
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10-01-2002
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09-01-2003
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08-01-2004
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13-01-2005
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12-01-2006
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13-03-2007
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15-01-2008
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26-01-2009
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13-10-2009
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27-09-2010
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08-08-2011
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23-07-2012
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12-08-2013
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18-08-2014
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16-03-2016
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19-01-2017
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05-02-2018
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23-01-2019
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16-01-2020
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04-01-2021
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31-03-2022
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22-07-2024
Episode List 2006
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12-01-2006
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19-01-2006
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26-01-2006
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02-02-2006
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09-02-2006
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18-03-2006
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08-06-2006
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15-06-2006
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22-06-2006
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29-06-2006
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13-07-2006
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20-07-2006
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03-10-2006
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10-10-2006
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17-10-2006
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24-10-2006
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31-10-2006
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07-11-2006
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14-11-2006
