Season 4

Following their discovery of possible Bigfoot hand prints the team splits up to investigate mysterious tracks that lead to an icy and perilous glacier.

When a Bigfoot tracker is taken from Prince of Wales Island, the team decides to split up. While Russell and Mireya investigate suspicious heat signatures on the mainland, Ronny stays back and encounters something unseen in his camp. And Bryce makes a remarkable discovery.

Strange sounds lead to a disturbing discovery for Ronny and Mireya. Bryce hears blood-curdling screams near the target zone. Russell tracks a mysterious creature as it makes its way to the mainland.

After being stalked and hearing strange whistles, Ronny and Mireya decide to launch a sound trap. Russell finds himself trapped after pursuing a possible Bigfoot on a nearby island. And Bryce learns a witness was withholding terrifying information.

Evidence of a cloaked Bigfoot leads the team to investigate around the abandoned mine. While Ronny and Mireya try a baiting technique, Russell tracks strange sounds to a mysterious grove. And Bryce stumbles across evidence of a possible missing person.

Russell uses a robotic dog to explore an abandoned mine and discovers some unusual evidence. Bryce follows up on a terrifying 60-year-old Bigfoot encounter. Ronny and Mireya camp in a swampy area and find that something is too close for comfort.

Ronny suspects a shapeshifting monster from Alaskan lore may be responsible for the haunting howls he and Mireya heard near a remote lake. Russell chases a bipedal creature on a rampage, and Bryce analyzes potential Yeti hairs with shocking results.

The team journeys to Prince of Wales Island, Alaska, to find Bigfoot.