NOVA — Episode 13: The Four Winged Dinosaur

You are watching the episode The Four Winged Dinosaur A look at the 2002 discovery of a four-winged crow-sized dinosaur fossil dubbed Microraptor, which has rekindled the scientific debate over the origins of flight. Included is a wind tunnel test of a "flight-ready" model of the 130 million-year-old Microraptor.