Horizon - Full Series Information, Trailer & IMDb Reviews
Horizon Season 29 Episode 20
Episode Title: A Close Encounter of the Second Kind
Genre:
Documentary
Countries:
UK,
Airing Date: July 10, 1992
Runtime:50 mins
IMDb Rating:
Watch Horizon Season 29 Episode 20 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
Horizon: This Horizon special program explores what happened when the "Giotto" explorer spacecraft passed within 100 kilometers of Halley's Comet.