Episode 1
Professor Brian Cox journeys to Southeast Asia to see how life began on Earth and how the flow of energy created and supports life.
Episode 2
In the second episode, Brian travels to the U.S. to showcase how the laws of science allowed senses to arise.
Episode 3
Brian travels to Africa and Madagascar to analyse why Earth is a fertile place and how it allows complex life to exist.
Episode 4
The fourth episode sees Brian in Australia looking at how the size of life affects each plant and animal, and how long it can survive.
Episode 5
In the final episode, Cox explains what makes Earth a home for life and asks what ingredients were required for complex life to begin.