Every summer, the frozen waters of Hudson Bay partially thaw for a few short months. For migrating beluga whales, it's a seasonal window of feeding and breeding opportunities, but for polar bears, it's a famine-filled test of their survival. Explore the shifting fortunes of a vibrant Arctic world.
The NHK team that captured the world's first footage of a live giant squid in its natural habitat is setting out for another deep-sea adventure. They will give us a look at the amazing life forms with luminous bodies that have survived the harsh, pitch-dark deep sea environment of the Pacific.
Professor Richard Fortey travels to northeastern China to see a fossil site known as the 'Dinosaur Pompeii' - a place that has yielded spectacular remains of feathered dinosaurs and rewritten the story of the origins of birds. Among the amazing finds he investigates are the feathered cousin of T-rex, a feathered dinosaur with strong parallels to living pandas and some of the most remarkable flying animals that have ever lived.