Deadly on a Mission: Pole to Pole

Caribbean (1x7)

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Steve's journey has reached the Bahamas. Using the latest time-slice technology he reveals the science of a shark bite, and has a hair-raising encounter when a tiger shark gets a little too friendly. Back on the mainland, deep underground, Steve faces one of his innermost fears as he enters one of the deadliest environments on the planet - a flooded cave system. The team then head south once again, arriving in Cuba. There they go in search of a giant bat-eating snake and then plunge into the water with a lethal prehistoric predator, the American crocodile.