Dirty Jobs

Mike Rowe submerges in a murky Florida river to pour concrete jackets around crumbling bridge pilings; in North Carolina, Mike sucks out a concrete washout pit and sprays sediment as he turns toxic sludge into potable water.

Mike Rowe harvests caviar from the muddy Mississippi River; Mike brings his parents to work and rectifies misconceptions in his hometown of Baltimore by preparing blue crab seasoning with a fourth-generation spice maker.

Mike Rowe attends a dusty baghouse party to clean the filtration system at a North Carolina asphalt plant; in Colorado, Mike gets his dirtiest yet, pyrolyzing waste lumber into the planet's most efficient fertilizer: biochar.

Mike Rowe travels to Anna, Ill., and wades knee-deep in diarrhea to collect deer urine for America's buck-hunters; Mike strands Maryland's shore to perform a necropsy on an ocean sentinel to determine its cause of death.

Mike Rowe descends into the depths of an aging manhole, coating it with a polyurea liner to extend its warranty in Murfreesboro, Tenn.; Mike joins an horologist and a priest to set the time right as he restores a historic clocktower.

Mike Rowe goes to the mountains in Utah and gives a dam to a couple nuisance beavers causing havoc for municipalities; Mike gets a little sticky while working with a special effects artist at a glue factory in LA.