The programme's roots hark back 40 years, in 1967 under a previous incarnation as 'The World About Us'; before it became Natural World in 1983.
The World About Us was commissioned by the then-controller of BBC Two and a name synonymous with nature documentaries, David Attenborough. He has also been very involved in Natural World, both on and off-camera.
The new series of Natural World starts on November 11 with a retrospective film called 'Titus: The Gorilla King', about one of the world's most studied gorillas.
The series typically consists of one-off in-depth films and commissions a mixture of BBC producers, UK independent and international wildlife filmmakers.
Neil Nightingale, head of the BBC's natural history unit and former editor of the show, said: "By continually reinventing the way it explores exciting wildlife stories, Natural World remains as fresh and relevant to audiences today as when it first started 25 years ago.
"Its quality is as high as ever, with the series regularly winning British and international awards for its beautiful filming and compelling stories."
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