Season 1
5 episodes · 2005
1Seas of Life
Steve Leonard explores the oceans & traces the story of life's origins from microbes to the the blue whale, the largest animal that ever lived.
2Land Grab
Steve Leonard follows in the footsteps of the first pioneering animals to invade land, in an evolutionary journey that leads from a fish to a human.
3Airborne
Steve Leonard discovers how living things first grew wings and how all flying animals are descended from 4 ancestors that acheived the miracle of flight.
4Living Together
Steve Leonard asks whether its's the relationships between living things that have created so much of the spectacular variety of life we see today.
5Humansfinale
Steve Leonard asks how we came to be what we are by following in our ancestors' footsteps from chimp-like apes to modern humans.