Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
61 Seasons • 1173 Episodes Total
9 Episodes • Aired February 1964
Episodes
9
First Aired
Feb 1964
2019
1993
2014
1974
2021
2007
2006
2015
2009
1994
2005
2016
1986
1988
2011
2004
2022
2010
