1. Seas of Life

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. 14 April 2005. 60 min

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.

2. Land Grab

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. 21 April 2005. 60 min

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.

3. Airborne

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. 28 April 2005. 60 min

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.

4. Living Together

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. 5 May 2005. 60 min

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.

5. Humans

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. 12 May 2005. 60 min

Steve Leonard asks how we came to be what we are by following in our ancestors' footsteps from chimp-like apes to modern humans.