Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 38 · Episode 3 ·
Killer Algae
A tropical seaweed that escaped from an aquarium is endangering sea life in the Mediterranean and has gone on to infect the California coast.
11 episodes
No episodes match your search.
Titles you might also enjoy
About
Episode 3 of season 38 of Horizon: “Killer Algae”. Aired 2001-02-08. Watch it online free on ZapFlix.