In the Grip of the Seasons (Arctic) • 2015 • episode "2/7" • The Hunt

57:57

This film explores why it pays to work as a team as it reveals some of the most captivating and awe-inspiring group parenting stories from the animal world. For most group-living species, living together means dividing the labour. From elephants taking part in hostage negotiations for their babies to banded mongoose all giving birth on the same day, female lions forming a sisterhood to see off interloping males and musk oxen rallying together to defend their calves from hungry wolves... it's truly amazing what some animal parents are prepared to do for the next generation!

3/3 • Animal Super Parents • 2015 • Nature

43:59

David Attenborough narrates this documentary about the giant squid, a creature of legend and myth which even in the 21st century, has rarely been seen in it's natural environment. But now, an international team of scientists think they have finally found their lair, one thousand metres down, off the coast of Japan. This is the culmination of decades of research. The team deploys underwater robots and state of the art submersible vessels for a world first - to find and film the impossible.

Natural World • 2013 • Nature

48:05

A polar bear mother keeps watch over her cub as they wait for the coming winter and the plentiful feeding opportunities it brings. But there are threats abound: from cannibalistic male bears, to the devastating impact of climate change, which has delayed the seasonal freeze and put them at risk of starvation.

8/8 • Arctic Secrets • 2015 • Nature

58:31

Remote islands offer sanctuary for some of the planet's strangest and rarest creatures. The rare pygmy three-toed sloth enjoys a peaceful existence on an idyllic Caribbean island, while nesting albatross thrive in predator-free isolation. But island life always comes at a cost. On the Galapagos Islands, young marine iguana must escape an onslaught of deadly racer snakes the moment they hatch from the sand. On the sub-Antarctic island of Zavodovski, life gets more extreme still. Every day, one and a half million penguins risk being battered against the rocks by fierce waves as they try to get on and off the island.

1/6 • Planet Earth II • 2016 • Nature

21:07

At critical moments in history, our second place metal was the most important metal on Earth. Big History reveals how silver's place in our minds was determined by the heat of exploding stars, and how this one metal saved democracy.

15/17 • Big History • 2013 • Nature

58:25

This special, narrated by Andrew Scott, celebrates spring on planet Earth, and the extraordinary tricks that animals and plants find to rise to the new challenges it brings. This magical season brings a burst of new life - but as soon as the air starts to warm, it's a race to wake up and get ahead of everyone else. For many, it's the perfect time to find a mate and raise babies - but for everything, from adventurous grizzly bear cubs and amorous dancing grebes, to flowers in the desert and swifts that fly marathons, spring is about rushing to make the most of the opportunities this busy season brings.

4/4 • Earth's Seasonal Secrets • 2016 • Nature