Horizon - Full Series Information, Trailer & IMDb Reviews
Horizon Season 7 Episode 22
Episode Title: Crown of Thorns
Genre:
Documentary
Countries:
UK,
Airing Date: August 31, 1970
Runtime:50 mins
IMDb Rating:
Watch Horizon Season 7 Episode 22 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Horizon: The population explosion of the Crown of Thorns starfish is investigated by Horizon.