In the first episode Robson travels to the mysterious Venezuela, with over 2800km of coastline, tropical archipelagos, fringed with networks of coral and deep sea trenches, home to some of the most powerful and aggressive fish in the ocean, Robson will get up close and personal with these under water creatures.
Robson heads to Japan's southern islands, home to some of the most beautiful and powerful fish in the ocean, where he meets the lethal black-banded sea snake.
The actor and angling enthusiast sails around the South Pacific, where he goes in search of a speedy underwater creature that headbutts its prey. He also tries to locate the powerful Bandeng, and an ambush predator with a vicious bite
The actor and angling enthusiast visits Mongolia, the second largest landlocked country in the world, where he tries to catch a taimen. Aware of the difficulties that lie ahead, he enlists the help of a local shaman for some spiritual assistance.
The actor and angling enthusiast hunts for the powerful jobfish in Madagascar, before teaming up with local fishermen to help spear an octopus.
Borneo is next on the actor's angling trip, and one of the world's most biologically diverse lands throws him a few curveballs - including a sea monster that can disappear.
The actor and angling enthusiast travels to Guatemala in Central America to catch one of the world's fastest fish on the planet, and then cooks a sharp-toothed sierra mackerel with the Garifuna people
The actor and angling enthusiast travels to Ecuador to catch grouper fish, which are voracious carnivores. Later, he barbecues some of the grubs he had been using as bait. Last in the series.