A fire captain who witnessed his best friend attacked by a grizzly returns to face his greatest fear; a champion bull rider discovers his threshold for pain against an apex predator; a Polynesian fire dancer stuns Bart with his first ever defeat.
Bart the bear faces the mightiest human yet in national arm-wrestling champion Bruce; Honey Bump schools New Jersey native Christina; MMA fighter Jesse fights for a chance at a cage match with a grizzly.
The grizzlies welcome a Highland games strongman, an Alaska state trooper and a Southwest aircraft handler to Bear Mountain; Bart makes sure the humans aren't the only mammals who end up in the water.
The grizzly bears take on a bodyguard, a firefighter, an ultra-marathoner, and a world-record weightlifter.
With odds stacked against them, a bodyguard, a firefighter and an ultra-fit football coach take on three massive grizzlies in a gauntlet of challenges; as they fight for a place in the finale, each discovers just how badly bears don't like to lose.