The team returns to Louisiana to investigate a Bigfoot hot spot, Caddo Lake. After the team reminisces about the 1970s monster films shot at this location, they meet with witnesses and finally head out on an eventful night investigation on the bayou.
In the season premiere, the team explore the Amazon River basin in search of the mapinguari, an ape-like creature that, according to folklore, has one eye and a second mouth on its stomach.