Horizon - Full Series Information, Trailer & IMDb Reviews
Horizon Season 18 Episode 17
Episode Title: Unknown
Genre:
Documentary
Countries:
UK,
Airing Date: April 24, 1982
Runtime:50 mins
IMDb Rating:
Watch Horizon Season 18 Episode 17 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Horizon: Horizon investigates Legionnaires disease and the research being carried out in the USA to try find a cause and cure.