Becky and Emily guide you through the mean streets of the coral metropolis to uncover the stories and the science behind reefs. They find a turtle cleaning station, and discover that a bobbit isn’t actually as cute as it sounds.

In an in depth chat with Sir David, they found out they have a mutual love of cephalopods and wonder at the intelligence of the octopus. Underwater camera operator, Dan Beecham, unlocks the secrets of how he brought the viewers to fish-eye level in the reef.