Clash of the Dinosaurs: Generations - Mating Season

Clash of the Dinosaurs - The Defenders airs December 13th at 9pm E/P only on Discovery! http://dsc.discovery.com/videos/clash-of-the-dinosaurs/?dtc=dsc-hp-drl-cd-main It's springtime in the Late Cretaceous of Montana and dinosaur love is in the air, but as always it's only the fittest who will pass on their genes.