Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

The evolutionary journey of life on Earth spans millions of years - and the results are as diverse as they are jaw-dropping. Travel through time as we explore the amazing adaptations that help certain species excel within their environments.
Loading. Please wait...
Episode 1
Mon, Nov 2, 201523 mins
Why are vultures bald? Why do some orangutans have big cheeks? And if giraffes have long necks to help them reach the highest leaves, why do they mostly eat low-lying shrubs? Embark on a whirlwind tour around the world as we explore some of nature's most-fascinating evolutionary wonders.