The three remaining competitors make films about big cats in the Masai Mara in Kenya.
The remaining film-makers visit one of Kenya's most successful wildlife sanctuaries.
The film-makers face two shocks in their bid to win a job with the Natural History Unit.
The film-makers must learn a new set of skills as they go underwater for the first time.
The eight remaining wildlife film-makers compete in the Drakensberg mountains.
The rookie film-makers must overcome their fears to film 30,000 killer bees.
Nine wildlife enthusiasts compete for a job at the BBC's Natural History Unit.
Nine wildlife enthusiasts compete for the ultimate prize: a job at the BBC's prestigious Natural History Unit.
