It has already captivated millions, taking viewers on a spectacular polar expedition to the frozen wildernesses of the Arctic and the Antarctic. And now the makers of the landmark BBC series Frozen Planet, bringing the natural world of the North and South Poles to the small screen, has given a tantalising glimpse of things to come with these stunning images from future episodes. These incredible stills from the series reveal the frozen world as you have never seen it before - and may never see again, thanks to the onset of global warming. Narrated by Sir David Attenborough, the series explores the effects of slimate change on the polar regions - and the lengths scientists are going to understand it - by: Kerry McQueeney
- Bear hug: A mother nurses her two cubs, caught on camera in a stunning aerial shot. Her milk reserves are running low as she has not eaten for five months whilst in the den.
- Coming up for air: This stunning image shows a pod of fish-eating Killer whales spy hopping among the breaking sea ice in Antarctica - by: Chadden Hunter
- Cracked surface: The largest ice cap in the Eurasian Arctic - Austfonna in Svalbard - is 150 miles long with a thousand waterfalls in the summer - by Jason Roberts
- Showing them the way: A polar bear leads her cubs across the desolate landscape, perhaps in search of food - by Jason Roberts
- On reflection: A stunning scene shows penguins standing at the shore against a dramatic mountainous landscape, their images mirrored in the water - by: Chadden Hunter
- Outnumbered: Cameraman Mark Smith is surrounded by penguins as he films in harsh weather conditions. Frequent snow storms and winds of up to 150mph kept film crews on their toes throughout their four months working alone at Cape Crozier, Antarctica - by: Jeff Wilson
- A grey wolf pup sticks close to mum on Ellesmere Island, Canada - by: Jeff Turner