Wildlife naturalist Steve Backshall travels to a remote area of Brazil where he'll search for the world's biggest snake - the Anaconda. He will swim underwater with the snake in it's own territory - a dangerous mission that no one's attempted before.

Wildlife naturalist Steve Backshall travels to Africa to embark on a dangerous mission to swim underwater with the fiercely territorial and unpredictable hippo. No scientific team has ever attempted to study hippos underwater in the wild, until now.

Wildlife expert Steve Backshall dives with the ocean's ultimate predator, the Great White Shark, in the waters off Guadalupe Island, Mexico.

Wildlife expert Steve Backshall dives with one of the deadliest creatures in the sea, the Humboldt Squid. He wants to find out if these 'Red Devils' live up to their blood-thirsty reputation.