Horizon Season 7 Episode 22
Episode Title: Crown of Thorns
Genre:
Documentary
Countries:
UK,
Airing Date: August 31, 1970
Runtime:50 mins
IMDb Rating:
You can now watch the entire Horizon Season 7 Episode 22 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
Horizon: The population explosion of the Crown of Thorns starfish is investigated by Horizon.