You'll be on the edge of your seat when the creators of the groundbreaking Walking With... series send zoologist Nigel Marvin back in time to track down the owner of the Giant Claw. But as soon as his mission is accomplished, it's on to prehistoric South America, in Land of Giants, where Nigel witnesses the battle between history's largest predator and its even more gigantic prey. Finally, in Chased by Sea Monsters, our intrepid explorer dives into the world's most dangerous depths. In seven different seas in seven different eras, Nigel meets scary sea scorpions, terrifying giant squid, massive armored fish, and the vicious sixty-foot Mosasaur!