Season 4

After finding strange evidence in California, the team journeys to Prince of Wales Island, Ala., to find Bigfoot; as mysterious screams terrify the locals, Ronny, Mireya and Russell uncover chilling proof that they're not alone in the wilderness

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

Russell uses a robotic dog to explore an abandoned mine and discovers some unusual evidence.

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; Bryce stumbles across evidence of a possible missing person

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; Bryce learns a witness was withholding terrifying information.

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

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

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