Steve finishes his journey around the world with a look at the vulnerable side of deadly animals, including an unforgettable encounter with mighty Bengal tigers. Show more

Steve Backshall takes on one of the most notorious and deadly mountain climbs in the world - the north face of the Eiger. Show more

As 300 million salmon start to invade Alaska's rivers, this is a critical time for bears, eagles, wolves and whales as the great summer feast reaches its climax. Show more

Steve Backshall learns about sharks. Steve reveals the surprising diet of the largest fish in the world, the whale shark. Show more

Steve Backshall learns about sharks. Steve meets the most sinister shark in our seas, the ragged tooth shark, with a mouth of terrifying teeth. Show more

Steve Backshall meets the most ravenous shark in the sea, the tiger shark. Known for eating tin cans and even car number plates, these sharks are in fact perfectly honed hunters.

Steve Backshall learns about sharks. Steve looks at what makes the great white shark such a perfect predator and one of the greatest hunters on the planet. Show more

Steve Backshall meets the hammerhead shark, a shark with some serious supersenses. Steve reveals how it detects dinner like a metal detector finds treasure. Show more

Steve Backshall reveals the supersucker of all sharks, the nurse shark. This shark uses its specialist mouth and vacuum-like suction to devour its dinner. Show more

Steve Backshall learns about sharks. Here, he meets the lemon shark - the snappiest shark in the world - while diving in the Bahamas in the Caribbean. Show more

Steve Backshall meets a shark that is a master of teamwork - the blacktip shark. The blacktip isn't the largest shark in its territory, so it adopts a sensible solution to survive.

Steve Backshall learns about our very own gentle giant - the basking shark. It can be found in the UK's coastal waters every spring and summer. Show more

Steve Backshall encounters a seriously smooth shark. He dives with the silky shark in the wild, and gets under their smooth skin in his lab. Show more

Steve Backshall heads to Canada to learn about the sixgill shark, which has barely changed in 200 million years. Show more

Steve Backshall encounters the most striking shark of all - the thresher shark. Steve dives with two of these stunning sharks off the coast of the Philippines. Show more

Steve Backshall meets the oceanic whitetip, revealing in his lab how these sharks rely on fantastic fins to dive and swim huge distances. Show more

Steve Backshall looks at the epaulette shark, which lives in shallow, tidal waters and is able to survive out of water for a long period of time. Show more

Steve Backshall meets the MOST MENACING shark, the bull shark, off the coast of Mexico. Show more

Steve Backshall reveals another side to sharks. Manta rays may not appear to look like sharks but they are part of the same family, and are the most graceful fish in our seas. Show more

Steve meets a shark that is the master of moves. The Caribbean reef shark has lightning-quick reaction times and is one seriously flexible fish. Show more