In the snake-filled Mississippi swamps, Gabrielle Balassone, a former fan survivalist takes on the full 21-day challenge. Gabrielle and newcomer Brian Schultz are faced with deadly snakes, unrelenting mosquitos, nocturnal predators and a relentless week-long thunderstorm.

Max and Bianca face off with aggressive caiman, boa constrictors, large spiders, and thorny mangroves in this Superfan challenge on a tropical island in Panama.