Simon looks at his journeys through some of the world's most spectacular and unspoilt wildernesses, and reflects on the huge challenges faced when trying to protect them.

Simon focuses on some of the incredible wildlife stories he's encountered, such as the eccentric Yorkshireman who founded a giant tortoise sanctuary on his island in the Seychelles.

In this second programme, Simon focuses on some of the dodgiest and most dangerous situations he has found himself in while travelling the globe.

In this first episode, Simon revisits the incredible characters he's met while travelling the globe and catches up with a ten-year-old boy he met working in terrible conditions in Bangladesh.