4/4. Wildlife cameramen reveal their favourite natural history moments. Doug Anderson and Doug Allan reveal the technical challenges of filming under the sea. Also in HD. [S,AD]
3/4. Wildlife cameramen reveal their favourite natural history moments. John Aitchison and Mark Smith reveal some of the unlikely locations they have filmed birdlife. Also in HD. [S,AD]
2/4. Wildlife cameramen reveal their favourite natural history moments. Gordon Buchanan and Mark Smith reveal how skills learned in Scotland enabled them to film intimate moments. Also in HD. [S,AD]
1/4. Wildlife cameramen reveal some of their favourite natural history moments. Polar cameraman and diver Doug Allan relives some of his most hair-raising encounters. Also in HD. [S,AD]
1/4. Ice: Wildlife cameramen reveal some of their favourite natural history moments. Polar cameraman and diver Doug Allan relives some of his most hair-raising encounters. Also in HD. [S]