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With a game-changing bonus in play, the teams head to Bimini. Amid lemon sharks and an epic hammerhead sighting, one expert bravely faces their fears.
Low visibility and an imminent elimination create choppy competition in South Africa. Still, the teams are determined: Will they find a great white?
The finalists duke it out in the Galápagos, a shark-rich hotspot. Can they snap a photo of an ultra rare whale shark — or will a killer get in their way?