Watch Acid Horizon

In the world famous Alvin submersible, Deep-sea explorer Dr. Erik Cordes is searching for a 'Supercoral' on the bottom of the ocean that will survive Ocean Acidification and help prevent mass extinction. Butis he too late?

Acid Horizon is a 2018 documentary with a runtime of 66 hours. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 6.5.