Mike heads to Lake Erie to join a group dedicated to protecting endangered water snakes. He continues on Lake Michigan where he assists in removing algae.
Mike helps fix a clowder of feral cats at a neuter facility. Plus, he feels the burn when he meets the inventor of the hottest pepper in the world.
Mike Rowe preserves infrastructure as he submerges in a murky Florida river to pour concrete jackets around crumbling bridge pilings.
Mike Rowe joins fishermen in Georgia as they harvest jellyfish for food. Then he helps install epoxy flooring at a restaurant in time for dinner.
Mike learns how to build a tugboat in Alabama. Then he climbs to the top of a dirty water tower in Mississippi, to clean inside the tank.
Mike vacuums rocks off an industrial roof. He then travels to the Black Hills to carve the largest monument in the world: Crazy Horse.
Mike trains as a trauma surgeon learning under simulated battlefield conditions. He then helps to control iguanas on the Florida coast.
Mike works his hardest construction job yet. He helps a team of rodbusters, who carry 2 tons of reinforced steel each for overpass construction.
Mike cleans grime off an escalator. Then, he and a zookeeper venture into the Arizona desert at night to round up neurotoxic stinging scorpions.
Mike joins a pool fixer in West Palm Beach, Florida, to clean the dirtiest pool in America. In Orlando, he recycles dirty hotel soap.