Simon remembers some of the incredible characters he has met while travelling the globe and catches up with a ten-year-old boy he met working in terrible conditions in Bangladesh.
Simon focuses on some of the incredible wildlife stories he has encountered, such as the eccentric Yorkshireman who founded a giant tortoise sanctuary on his island in the Seychelles.
For the final edition, Simon looks back at his journeys through some of the world's most spectacular and unspoilt wildernesses reflecting on the huge challenges faced when trying to protect them.