Do you have a video playback issues?
Please disable AdBlocker in your browser for our website.
Due to a high volume of active users and service overload, we had to decrease the quality of video streaming. Premium users remains with the highest video quality available. Sorry for the inconvinience it may cause. Donate to keep project running.
Paul Sereno visited the Sahara Desert looking for dinosaur fossils. But the Sahara was not always desert. Instead Paul found not one, but several species of gigantic crocodiles from the time of dinosaurs. As he studies their fossils he comes to realize that many of them were dinosaurs' worst nightmares.