Mike heads to San Diego to get dirty with the tar rigging crew of the Star of India, the oldest active merchant ship in the world. Then, Mike takes a look back at some of the dirty tools he's used that make civilized life possible for the rest of us.

Mike heads to the Dirty Potato Chips factory and learns how potato chips are made and what it takes to keep the machines used to make them clean and in working order. Then it's off to Rifle, CO where Mike attempts to clean a "monster" hidden underground.

Mike works at an automobile dealership where the job is sawing down a giant concrete wall to make room for a new wash bay, then heads to a sheep farm where he tries his hand at sheep shearing & castrating before getting treated to Rocky Mountain Oysters.

Mike teams up with the boys from Bartos Bait & Fish to catch leeches that will later be sold for fish bait. Then it's off to the Green Tripe factory in Hollister, CA where Mike helps make BARF (Biologically Appropriate Raw Food) for dogs.

Mike Rowe takes a look at some of the dirtiest jobs in America and discovers that many of our former Presidents had dirty jobs themselves. This Dirty Jobs Extravaganza will have you seeing our country's history in a completely new - and dirty - way.

Mike demolishes a mobile-home park to make way for a new shopping center and later Mike visits a mannequin factory.

Mike pays a visit to a chicken-farm and shows us how eggs get to the store and later dirt is processed into clean soil in Oklahoma.

Mike harvests hops in Yakima, W. Later, Mike takes some animal hides and converts them into paper in New York's Hudson Valley.

Mike visits a maggot farm in Idaho and later tries to help relocate a giant cactus in Arizona ahead of an oncoming storm.

Lake cleaner and gourd maker.

Bologna-making in Pennsylvania. Also: the host repairs a special toilet in Alaska.

Mike counts common terns in Ohio, and seals off an abandoned mine shaft in northern California.

The host visits the La Brea Tar Pits in California; farm animals are rendered and recycled.

Mike visits California, where he harvests walnuts in Meridian and makes goose-down comforters and pillows in Tulelake.

The host presses olives into oil in Arizona and cleans dirty diapers in California.

Mike makes bird food in Payette, Idaho. Also, Mike milks venomous spiders in Yarnell, Ariz.

Mike enjoys his 200th dirty job by restoring locomotives in Boise, Idaho.

Highlights from past shows

For one day, Mike's producers Piligian and Eddie Barbini try two dirty jobs themselves while Mike visits the doctor.

Mike once again ventures out to Alaska discovery what it takes to work in this state. This time he heads out to Happy Trails Kennels in Big Lake, Alaska to breed and train sled dogs.