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
2004
2011
2014
2005
2010
2015
2016
2013
2008
2021
2006
1990
2003
2022
2017
