Watch Killer Algae: The Poisoning Of Our Seas

Algae can contaminate vast areas in the sea with highly neurotoxic substances, killing thousands of fish and other marine life. Meanwhile, humans can also become dangerously ill as a result of eating the poisonous seafood. This in-depth documentary travels the world to uncover the startling instances of oceanic catastrophe, and the steps scientists are attempting to stem the tide of disaster.