Return of the Titans • 2021 • episode "S1E2" • Europe's New Wild

29:15

Dr Helen Czerski peers into the heart of the storm to find out how advances in technology are giving new insight into tornadoes - the fastest winds on the planet. From the breathtaking footage that capture the extreme weather events that produce them, to the latest experiments investigating their incredible destructive power, Helen discovers how understanding the subtle changes deep within the storm are improving predictions of when and where these devastating beasts will strike.

Part 5 • Dangerous Earth • 2016 • Nature

48:02

In Palau, the local economy relies on ecotourism that's sustained by strong legal support. Shark hunting is banned, giant manta rays are protected by law, and tireless efforts are made to combat the acidification an ocean ecosystem housing coral reefs. But can ambitious conservation keep pace with the scale of man-made devastation?

9 • Great Blue Wild • 2017 • Nature

46:25

Explore the wild blue Caribbean waters of Cozumel, a lush paradise packed with marine surprises. From the spectacular Paso Del Cedral coral reef to the world's longest subterranean underwater cave system, go where only the bravest divers dare venture.

4 • Great Blue Wild • 2017 • Nature

49:00

Emus are unique: Native only to Australia, they're the second largest bird in the world and can trace their lineage back to the dinosaurs. When males incubate their eggs, they don't eat, drink, or even go to the bathroom until the job is done. Follow the fascinating life of this flightless bird as it stubbornly defies the odds by doing things its own way.

2/4 • Wild Birds of Australia • 2018 • Nature

28:54

Can animals count? This is a question that has intrigued and fooled investigators for a long time. Just over 100 years ago, a German horse called Hans was declared a mathematical genius but all was not as it seemed. And strangely, some bamboos around the world flower exactly at the same no matter where they are. Are they counting down the years?

S4E4 • Natural Curiosities • 2018 • Nature

59:01

New England is the stage for the most incredible colour change on earth, when the vivid greens of summer give way to the gold’s and reds of autumn. This film reveals how this vibrant fiesta is created by the battles between the trees and the forests' inhabitants. Moose, chipmunks, rattlesnakes and a bizarre mixture of caterpillars all play a crucial role, but surprisingly the forest itself was made so colourful thanks to a combination of hard work by beavers, ants and humans.

1/3 • Earth's Greatest Spectacles • 2016 • Nature