On The Trail Of Tarka: The magic of the classic novel Tarka the Otter survives today. But how have the otters fared since 1927? This film contrasts the dramatic events of the novel with the reality of a modern otter's life
The Bear Man Of Kamchatka: Charlie Russell has devoted his life to the grizzly bears of the Kamchatka Peninsula. His last bears were brutally slaughtered - but back with four new cubs, he's determined these will survive.
Invasion Of The Crocodiles: From hundreds of miles out at sea to remote lakes, Australia's salt-water crocodiles are seeking new territories - to devastating effect. An action packed, revelatory insight into one of nature's most awesome reptiles.
Eye For An Elephant: From secretive elephants deep in the Congo to a female elephant giving birth at night, Martyn Colbeck has filmed the most astonishing images of these magnificent creatures ever seen.
Buddha, Bees & The Giant Hornet Queen: Armed with razor-sharp jaws, thick amour plating and a lethal stinger, Japanese giant hornets are merciless killers. But with extraordinary, high-risk tactics, the humble honeybee is about to fight back.
Wye - Voices From The Valley: From the mountain tops of mid Wales to the wide open spaces of the estuary, our guides to the Wye Valley are four people whose livelihoods depend on the rhythms of changing season and weather.