Ancient Discoveries — Season 4, episode 2 watch online

Ancient Discoveries, season 4 episode 2 «Ancient Super Navies»: air date February 4, 2008. Episode overview, season trailer and the cast of Ancient Discoveries.

Using the latest scientific techniques to solve the greatest mysteries of the ancient world's naval technology, our team of modelmakers, underwater detectives and elite naval commandos are investigating legends that speak of lethal, high explosive grenades... covert underwater attack equipment... and highly toxic biological warfare. Their life-threatening experiments will forever transform our understanding of antiquity's greatest naval inventions.