Amy and Adam investigate a house being haunted by a shadowy mass that torments a child and haunts his mother from her bedroom closet with menacing growls.

Home owners insist a paranormal force set their house ablaze; Amy and Adam believe a young girl is psychic since she can sense something targeting her family.

Paul Beban exposes an encounter with a creature in a Caribbean trench, then Paul tracks a similar one hiding in the dark depths of Vermont's Lake Champlain.

Paul Beban learns about skinwalkers, legendary shapeshifters featured in Navajo folklore, and he comes into contact with the unexplainable.

Paul Beban visits an isolated farm to learn about cattle mutilations, and he discovers evidence pointing to government conspiracies.

Paul tries to prove that extraterrestrial beings have interacted with humanity, and he discovers hidden files as he investigates an abduction case.

Paul Beban copes with hoaxes and misinformation as he searches through the deep woods of the Midwest for Bigfoot in the hope that he can collect evidence.

Paul Beban travels from Indiana to Texas to investigate allegations of increased demonic activity in the United States that is overwhelming the Catholic Church.

The host investigates rumors about a secret military program in the United States designed to create superhuman soldiers with psychic powers.

An eyewitness shares startling video evidence of extraterrestrial activity in Fairbanks, Alaska; a UFO hunter searches for a secret underground alien base.

A cryptozoologist hunts for scientific proof of Bigfoot in the remote Alaskan wilderness; experts investigate a mysterious vortex of energy in the Triangle.

Experts investigate whether an interdimensional portal in the Alaska Triangle led to the 1950 disappearance of a Douglas C-54D aircraft with 44 people aboard.

Seasoned Bigfoot hunters investigate whether a huge beast is responsible for disappearances in the wilderness; new evidence suggests mammoths were in Alaska.

A cryptozoologist investigates reports of a sea monster lurking beneath the icy waters of Alaska as he reviews eyewitness accounts and examines video evidence.

Russell follows a trail of warning signs in Washington while Mireya and Biko follow what they believe are Bigfoot tracks; Bryce interviews a Bigfoot witness.

Russell follows what he believes are a set of two Bigfoot footsteps; Mireya and Biko use the latest technology in an effort to identify a base camp intruder.

Exploring the death of nine hikers in the Ural Mountains in 1959, and startling new evidence that links the unsolved killings to the mythical Yeti.