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In northern Asia, life defies hostile extremes. In Russia's Lake Baikal, a seal pup must take evasive action when its ice den starts to melt. Hokkaido's thermal springs are a haven for dancing red-crowned cranes. On the Tibetan Plateau, a lone Himalayan wolf hunts antelope. Fish owls thrive in the forests where Russia and China meet. On the Kamchatka Peninsula, brown bears hunt salmon to prepare f

Cyril goes to Senegal to try and catch a marlin with a hand line in the open ocean.

North Africa, 100 million years ago. A Spinosaurus father must embark on a dangerous voyage to feed his babies. To reach his destination, he must lead his young family across one of the deadliest environments in earth's history: a land crawling with ferocious predators. At the end of their journey, an extraordinary feast awaits - if he can run the gauntlet without his babies becoming someone else'

Ash Dykes and his team push into the unknown to find the source of the Coppename River. After a brutal trek, battling rapids, dense jungle and wildlife - including hauling kayaks, traversing a waterfall and hacking through forest - they finally reach the hidden spring. But with the source found, a far tougher journey to the ocean still lies ahead.

After swimming out of a dangerous current, Cyril explores the Indian Ocean with local fishermen.

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.

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 witness the aurora. Discover how it is created, by witnessing the beauty of total eclipses, a mass turtle migration in Costa Rica and powerful tidal whirlpools off the west coast of Scotland.

After swimming out of a dangerous current, Cyril explores the Indian Ocean with local fishermen.

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.