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Â鶹¹ÙÍøÊ×Ò³Èë¿Ú presenters look back on their adventures in Australia and the islands of the South Pacific.

Steve Backshall describes being dropped into the nest of a wild saltwater crocodile – to help scientists in the Northern Territories assess the species' health – one of the 'craziest' things he has ever done.

Gordon Buchanan faced his own fears when he visited Owarigi in the Solomon Islands, where two members of the local population helped him deal with his fear of sharks through freediving.

Liz Bonnin looks back on an awe-inspiring encounter she had on Australia’s Great Barrier Reef, where she witnessed the extraordinary hatching of baby green sea turtles on Heron Island.

Finally, Steve Backshall and George McGavin recall an unforgettable trip to the extinct volcano Mount Bosavi. Steve remembers discovering a new marsupial species, a cuscus found nowhere else in the world, while George recalls setting a trap that revealed an enormous diversity of moths.