The first part explores how centuries of scientific and religious dogma were overturned by the earliest discoveries of the existence of cells, and how scientists came to realize that there was, literally, more to life than meets the eye.
With scientist Kerisha Kntayya, Judi joins a crocodile hunt with a difference. Kerisha plucks young crocodiles out of the water. Judi then joins Kerisha's team as they wrestle an adult croc as part of the study Kerisha hopes will help save these prehistoric creatures. Judi, who's had a fascination with bats from an early age, also explores the Gomantong cave, home to more than a million bats.
A behind-the-scenes special offering an insider's look at Sir David Attenborough's innovative series exploring the macroscopic world of bugs. David reveals how the film-makers got up close with the insect and arachnid world for the innovative documentary series
The theory of evolution explains how the enormous variety of life could come into existence. How it is possible for primitive life forms to spawn the millions of different creatures, that exist today. Unfortunately, evolution is often misunderstood, because it's mechanisms seem counter intuitive. By using visualizations, infographics and appealing characters, the viewer is more likely to understand it the complex information.