David Attenborough recounts his experiences with the mountain gorillas of Rwanda.
We follow the fortunes of Critical as he tries to find a family and fend off male rivals.
A team of biologists find out how nature's giants evolved and how they function.
The story behind one of the most important scientific discoveries of the modern era.
Charlotte Uhlenbroek travels to Africa and Asia to get close to our closest relative.
A scientist joins an activist to find out why these beautiful creatures are endangered.
Patrick Stewart narrates this three-part series about the world's last mountain gorillas.
