Lost Monster Files - Season 1 Episode 5 -

An unknown apex predator is preying on orcas and devouring whales off the frozen coast of Kodiak, Alaska, renewing fears of a prehistoric sea monster lurking in the icy depths of the northern Pacific Ocean. The team conducts an all-out hunt on land and sea using never-before-seen research from Sanderson's lost files -- can they identify the monster and uncover its lair before it strikes again?