Long before the age of giants, the Triassic world belonged to survivors. Herrerasaurus, one of the oldest known dinosaurs, was both predator and prey in an ecosystem dominated by ancient reptiles.

* The Cast: Paul Sereno, a world renowned palaeontologist. * The Plot: Join Paul Sereno as he searches the sweltering sands of the Gobi Desert and ventures high up in the Andes to hunt out prehistoric ...