Almost 60 years after first visiting what he describes as “one of the greatest and most splendid natural treasures that the world possesses”, Sir David Attenborough returned to the Great Barrier Reef to film his latest three-part documentary series.

Tune in to ABC TV on Sunday 10 April at 7.40pm to witness “one of nature’s most impressive creations” as seen through the eyes of the world’s best known naturalist and broadcaster.