In a making-of special, Dave Salmoni reveals the hardship and dangers – not to mention broken equipment – he and his team had to battle during filming the series.

Host Dave Salmoni visits one of the world’s most pristine rainforest islands. It is a shining green jewel off the coast of Panama, but this island has a dark secret.

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Biologist and predator specialist Dave Salmoni journeys to an island in the South Pacific, which is home to a large concentration of sharks. But can he reveal why?

Biologist and predator specialist Dave Salmoni journeys to a mountainous island in the North East Pacific, which is home to a large number of grizzly bears.

Predator expert Dave Salmoni travels to a remote speck of land in the wild and stormy South Atlantic, which is visited by a huge number of hunting killer whales.