BBC Earth

In the remote reaches of Asia's frozen north, creatures must overcome unique challenges, finding exceptional ways to thrive in a hostile world that pushes life to its very limits.

The largest of all of Earth's displays stretches across thousands of kilometres in the night sky: the Aurora Borealis. The arctic wilderness of Northern Sweden is one of the best places to see it.

Cyril braves the wilds of northern Canada to pursue one of the most aggressive fish on the planet, the fang-toothed northern pike.

Steve Backshall is taking ten novice divers on one Deadly mission - to dive with sharks in Bimini, the shark capital of the world, with the ultimate goal being to qualify as scuba divers.

Some of the team explores the mangroves, which are essential for the survival of some sharks. While there, they come face to face with baby lemon sharks.

Griff dives into New Orleans' rich culture, jazz roots, vibrant food, and laid-back Southern soul.

Stuck between a herd of elephants charging straight for him and the shark-infested waters on the other side, Cyril has nowhere to hide.

Steve Backshall explores the evolving understanding of whales, how much they have in common with humans, and how recent discoveries could help to better protect them.

Stanley Tucci visits one of the most famous and frequented regions of Italy, the Italian Riviera, for the glamour of Portofino and the stunning picture-perfect fishing villages of the Cinque Terre.

Cyril faces snapping turtles, invasive jumping carp, and dangerous gators while hunting a 200-pound alligator gar in the perilous waters of Texas and Louisiana.

Stuck between a herd of elephants charging straight for him and the shark-infested waters on the other side, Cyril has nowhere to hide.

Steve Backshall explores the evolving understanding of whales, how much they have in common with humans, and how recent discoveries could help to better protect them.

Cyril faces snapping turtles, invasive jumping carp, and dangerous gators while hunting a 200-pound alligator gar in the perilous waters of Texas and Louisiana.

Stuck between a herd of elephants charging straight for him and the shark-infested waters on the other side, Cyril has nowhere to hide.

Steve Backshall explores the evolving understanding of whales, how much they have in common with humans, and how recent discoveries could help to better protect them.

Griff dives into New Orleans' rich culture, jazz roots, vibrant food, and laid-back Southern soul.

Cyril faces snapping turtles, invasive jumping carp, and dangerous gators while hunting a 200-pound alligator gar in the perilous waters of Texas and Louisiana.

Actor Mark Benton joins Robson on a Scottish road trip to East Lothian. Robson introduces Mark to bird watching, cookery and highland games. The pair stay in a double-decker bus.

Robson joins up with Sheli McCoy, aka Gladiator Sabre, to explore Fife. They take a paddleboard tour of the coast, stay on a farm overnight and make a boat trip to the Isle of May.

The largest of all of Earth's displays stretches across thousands of kilometres in the night sky: the Aurora Borealis. The arctic wilderness of Northern Sweden is one of the best places to see it.