Tyrannosaurs were notoriously vicious hunters that ruled the Cretaceous with their ferocious jaws and cunning pack hunting behavior. See what was up their tiny sleeves in this epic battle against the Triceratops. NHK WORLD-JAPAN brings dinosaurs back to life using state-of-the-art CGI technology and discoveries unearthed during the past decade. Through the continued research of paleontologists, the Mesozoic Era has come to be understood as a time where these unique creatures formed a diverse ecosystem. This series explores the previously unknown lives of these dinosaurs. Please subscribe HERE: http://www.youtube.com/channel/UCSPEjw8F2nQDtmUKPFNF7_A?sub_confirmation=1