
Historical and factual series celebrating pivotal moments in history.
Investigating sightings of a 60-foot shark that might be a giant new species or a prehistoric survivor in the waters off Mexico's Baja Peninsula; Mexican sailors report being stalked by the "Black Demon."
Across the world, people are reporting increasingly frequent encounters with frighteningly large crocodiles.
An expedition investigates controversial evidence that might confirm a history of sea monster sightings off the coast of Florida.
Divers probe the depths of the North Pacific in an attempt to confirm sightings of a 20-ton octopus, a boneless horror said to be massive enough to attack and sink boats.
The team embarks on a dangerous search in the Sea of Japan and along Australia's Great Barrier Reef to investigate reports of a jellyfish invasion that threatens to turn oceans into deadly places to swim.
Investigating whether South American piranhas appearing in U.S. lakes and rivers are adapting, can breed and cause devastation.
Andrew and Brian travel to a shipwreck near the Bahamas where over 300 men were eaten by sharks in 1563, and hope to re-create the circumstances of the shipwreck to see if the swarm could have been prevented and if it could happen again.
Tony Harris travels to the Florida coast to investigate the legendary Bermuda beast and other mysterious sea creatures at the Bermuda Triangle; Tony and a team of experts will analyze evidence of similar bizarre sea creatures from around the world.