Coral reefs around the world are vanishing at an unprecedented rate. A team of divers, photographers and scientists set out on a thrilling ocean adventure to discover why and to reveal the underwater mystery to the world.
Did You Know?
One of the 15 Feature Documentaries shortlisted for the 2018 Academy Awards nominations. See more
They say it's one of the rarest events in nature happening and everyone's just oblivious to it. And you can't blame them for it, it's just almost typical of all of humanity. - Andrew Ackerman, Chasing Coral
Tell Me How Long
Written by Dan Romer
and Teddy Geiger
Performed by Kristen Bell See more