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Wildlife expert and adventurer Steve Backshall attempts the unthinkable and dives underwater to swim alongside the most monstrous animals on our planet. He'll get closer than ever before to some seriously dangerous creatures, capturing dramatic and stunning wildlife footage.
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Episode 1
Wed, May 1, 201341 mins
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.