From Scotland's Loch Ness to Vermont's Lake Champlain, witnesses tell terrifying tales of prehistoric, long-necked creatures that inhabit the waters.

This episode has no summary.

This episode features research on Bigfoot in Northern California, Texas, and Florida, where it's known as Skunk Ape.

The Loch Ness Monster, The Lake Champlain Monster, Bigfoot, Mothman, and the Jersey Devil are all investigated, including the Men in Black's involvement with Mothman.

This episode has no summary.

This episode has no summary.

This episode has no summary.