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.

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.

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.

We don't have an overview of this episode, please check back later.

We don't have an overview of this episode, please check back later.

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 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.

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.

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.