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 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.
Mike Rowe preserves infrastructure as he submerges in a murky Florida river to pour concrete jackets around crumbling bridge pilings.
Mike Rowe shows us where our food comes from, harvesting caviar from the muddy Mississippi River. Later, Mike brings his parents to work.
Mike cleans an asphalt filtration system in North Carolina. In Colorado, he gets his dirtiest yet, as he pyrolyzes wood into fertiliser.
Mike Rowe descends into the depths of an aging manhole in Tennessee. Then, Mike joins an horologist and a priest as he restores a historic clocktower.
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 wades knee-deep in diarrhoea as he farms deer urine for hunters. On Maryland's shoreline, he performs a necropsy for science.
Mike Rowe gives a dam to nuisance beavers causing havoc for municipalities. Mike gets sticky in the process of fulfilling a lifelong dream.