






8.058 minSeason 1 • Episode 3
LatestWhen David Attenborough first visited the Great Barrier Reef in 1957, he considered it the most spectacular place in the natural world and he assumed that it would last forever. Since then the coral has been dying at an unprecedented rate. In this episode he undertakes his most important mission to understand what the next few decades hold for this remarkable community of animals, as well as what is being done to save it.
Following his visit to the Great Barrier Reef in 1957, naturalist and broadcaster David Attenborough returns and uses the latest filming techniques to unlock the secrets of the natural wonder.
Cinematography
Revolutionary low-light and macro filming reveals invisible reef life.
Practical Effects
Submarine filming at depth unprecedented for documentary production.
Direction
Personal narrative arc from 1957 footage gives emotional weight.
Trivia, insights & behind the scenes