Megalodon was the biggest predator ever to swim the oceans.  And for 20 million years, this ferocious 50-ton shark with a 9-foot jaw and 7-inch serrated teeth terrorized the creatures of the seas.  Now, nearly 2 million years after its extinction, a team of scientists is combining research on today's great white with the only Megalodon fossils ever found to unlock the mysteries of this apex predator.This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.This product is expected to play back in DVD Video "play only" devices, and may not play in other DVD devices, including recorders and PC drives.