Bobby works with a rope access technician to clean the glass floor of the Grand Canyon Skywalk while suspended 4,000 feet above the Colorado River.

Bobby meets married couple Lesley and Jeremy, seasoned metal scrappers who challenge him to turn a giant yellow school bus into scrap.

Bobby meets Dave, a demolition expert who challenges him to lead a team of workers and destroy a large section of a building.

Bobby heads to Hollywood and trains with Janeshia, a pioneering stuntwoman who challenges him to fight, fall and be set on fire for a movie.

Bobby meets Trey, a pipe welder in Alabama who helps parolees get on their feet and challenges Bobby to try his hand at the fiery art of welding.

Bobby meets Marena, an accomplished commercial diver who, like Bobby, has defied the odds to find success in her industry.

Bobby works as a deckhand on a towboat pushing a massive fleet of barges downriver.

Bobby tries to deliver a load of eggs in an 18-wheeler truck without damaging his cargo.

Bobby heads to the high seas and attempts to haul in 500 pounds of fish.

In Idaho, Bobby learns white water kayaking from an instructor; who is totally blind

Bobby meets PJ, a fifth generation farmer who challenges him to harvest 20 acres of corn.

Bobby meets Ralph, a Paralympic athlete who trains him to play sled hockey.

Bobby attempts to climb a 100-foot tree and cut it down section by section with a chainsaw.

Bobby works as an animal trapper to remove unwelcome critters from people's homes.

Bobby climbs a 235-foot-tall wind turbine to perform maintenance on the blades.

Bobby is tasked with protecting a herd of sheep from predators at night.