Bizarre Dinosaurs (2009)

Documentary,Action
Peter Cullen
As dinosaurs grew into the behemoths of the Cretaceous period they evolved many extraordinary but apparently useless features including spikes, sails horns, crests and the tiny "arms" of tyrannosaurs. The program reviews these unusual features and discusses theories of why they exist.—David Foss
  • 11 Oct 2009 Released:
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  • Jenny Kubo Director:
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