Recent sightings around Alaska match native stories of a vicious Arctic mermaid that attacks unsuspecting people. With only five per cent of the world's oceans explored, could a sinister mermaid be among the oceans' undocumented creatures?

Ancient lore talks of a Canadian warrior tribe that once terrorised the Nahanni valley, decapitating their enemies. The tribe vanished many years ago, but missing person reports have coincided with eyewitness sightings of ancient soldiers.

Tlingit folklore describes a creature that's half-otter, half-man, and steals the souls of its victims. Could a shapeshifting otter-man, or Kushtaka, be disguising itself to target humans as prey? Our team investigate whether this creature is a myth.

A jogger vanishes from the top of Mt Marathon in Alaska and a witness describes seeing a monstrous, airplane-sized raptor around the time of the disappearance. Could ancient stories of the Thunderbird be true?

Sixty years ago, the residents of an entire Alaskan village disappeared without a trace. A passing fisherman witnessed a massive, ferocious white bear, reminiscent of a northern legend, the Bear God called Torngarsuk.

With the unsolved case of a missing kayaker at Lake Iliamna, many believe that the legendary Iliamna Lake Monster (or "Ilie") is the culprit. The team investigates this beast and the possibilities of its existence.

In 1950, a military transport plane vanished in the Alaska Triangle with 44 people on board, and hasn't been seen since. Was its disappearance caused by bad weather or something more sinister?

Tales of Bigfoot sightings are reported globally but the Alaskan version is the most extreme, standing over 14 feet tall. Is this massive, aggressive creature targeting people in the Alaska Triangle?

A mountain climber goes missing near Mt. Hayes, where UFO sightings are rampant. The team of investigators head into alien territory and risk close encounters to find answers about his mysterious disappearance.

The team explores a top secret government facility that is said to operate an electromagnetic generator which has caused the disappearances in Alaska.

Sightings of small creatures have coincided with missing persons reports within the Alaska Triangle. Could man-eating gnomes be roaming Alaska?

Primate sightings in the Alaskan woods have the team puzzled, since experts say that monkeys have never lived in Alaska. The team investigates whether there could be a variety in the Alaska Triangle that is making meals out of men.