Three-part BBC documentary series which showcases different species of big cats across the globe. The show captures the lives of a wide range of some of the planet's most dangerous predators from cheetahs in the Namibian desert to lions in Tanzania, Siberian tigers, Pantanal jaguars, pumas in Patagonia and snow leopards in the Himalayas. The programme also looks at how these big cats have adapted to live and hunt in these environments and how modern technology is allowing new ways of studying them as well as new insights into their lives.