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Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
2013
7.1
2018
2.0
2012
0.0
1988
7.5
2001
2004
6.0
7.0
2014
2006
2007
2017
2010
6.4
1993
7.9
2008
8.0
2020
1971
6.7
1992
7.2
2003
8.4
2011
8.3
6.8
7.8
7.6
2015
8.2
1997
8.9
2016
2005
8.6
8.5
2022
8.1