In this fascinating new three-part documentary, viewers can look inside animals to see what makes them tick. Fusing exciting computer animation, thermal imaging and compelling science, Animals: The Inside Story puts creatures under the microscope to expose the hidden mechanisms that drive their actions. The first episode, Fight For Life, reveals the true cost of staying alive as hunter or hunted. How do predators set up an attack and how do their prey take evasive action? Look inside a tiger's brain as the hungry predator spies a deer and is triggered into action. A peregrine falcon mounts a 200-mile-an-hour attack on a pigeon, relying on aerodynamics and an ingenious nasal system to make its breathtaking approach. Go inside the mouth of the largest animal in the world, the blue whale, to see how they eat one of the smallest creatures of the sea.