In this episode, Dave reveals the extreme lengths to which he and his wildlife teams went to produce the series. They battled through many hardships, terrible weather and dangerous animal encounters – not to mention broken equipment and exhaustion. But somehow, despite the trials of the year-long filming schedule, Dave manages to retain his unique sense of humour, and passion for the animals and islands he is privileged to witness firsthand.

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Unspoiled and unexplored Coiba is a shining green jewel off the coast of Panama – rich in trees, rare animals and flora – but it is remained largely ignored by the locals and has never been plundered, settled or poached. But why? In perhaps his darkest mission yet, Dave journeys into the heart of Coiba in an attempt to uncover the secret behind stories of ghosts, torture, vampires and death that seem to haunt the island.

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Dave ventures to Fernandina island – a completely protected, uninhabited and actively volcanic island in the legendary Galapagos Archipelago. To access the island, Dave and the crew have to go through a rigorous quarantine process, all to track down some of the weirdest and toughest animals on the planet to find out how they survive in this hell on earth. Dave’s mission takes him into freezing waters with rare marine iguanas and flightless cormorants, before witnessing lightning-fast snakes on the hunt, which in turn are being hunted by eagles. In this do-or-die island, life is always on a knife’s edge – and without permission to camp overnight, Dave is in a race against the clock each day to uncover its secrets.

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Dave Salmoni journeys to a harsh, mountainous island off the coast of Alaska in the North East Pacific. Home to the greatest concentration of grizzly bears on the planet, Dave's quest is to find out how this one island can support so many huge predators.

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Dave Salmoni travels to a remote speck of land in the wild and stormy South Atlantic. Every year thousands of seals and penguins flock there to breed, but they’re pursued by the ocean’s greatest predators, who trap them and lay siege to the island.

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Dave Salmoni has traveled to a remote island in the heart of the South Pacific. It should be a paradise, but this island has a sinister reputation: it's known as the “shark capital of the world”.

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