Diplodocus Herd - Walking with Dinosaurs: Ballad of Big Al - BBC

Big Al’s skills as a predator are put to the test when he and two other Allosauruses face a herd of Diplodocus. Broadcast in 1999, Walking with Dinosaurs set out to create the most accurate portrayal of prehistoric animals ever seen on the screen. Combining fact and informed speculation with cutting-edge computer graphics and animatronics effects, the series took two years to make. Watch more high quality videos on the BBC Worldwide YouTube channel here: