Synopsis: Join zoologist and wildlife expert Nigel Marvin as he travels back into time to capture that most amazing creatures ever to exist and bring them back to the ultimate wildlife sanctuary, Prehistoric Park. Step into the hostile climates of the Cretaceous, Pleistocene and Paleozoic time Periods to witness what killed incredible beast such as Tyrannosaurus Rex, Woolly Mammoth and Sabre Toothed tigers. First, Nigel prepares for his forays into the past by working with present day animals for clues as to how their ancient ancestors might have behaved. Then he travels through a time portal into the past to rescue these long gone creatures from extinction and bring them back to the most amazing and wonderful zoo ever to exist.