Horizon
tv show
1170 total episodes
-
61 seasons
First Aired February 04, 1964
Genres:
Overview
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Halley's Comet - The Encounter poster unavailable
Halley's Comet - The Encounter
Season 0 - Episode 10 - 1h 0m
Air Date
March 13, 1986
Overview
Special on Halley's comet