

Documentary
The Best Episodes of Horizon Season 26
Every episode of Horizon Season 26 ranked from best to worst. Discover the Best Episodes of Horizon Season 26!

Documentary
The Best Episodes of Horizon Season 26
Every episode of Horizon Season 26 ranked from best to worst. Discover the Best Episodes of Horizon Season 26!
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Seasons60
Season 26 Ratings Summary
"The Book of Man" is the best rated episode of "Horizon" season 26. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 1/9/1989. This episode is rated 0.0 points higher than the second-best, "The Poison that Waits".