Mike looks back on several of the Dirty Jobs that help to clean up the environment. From geothermal drilling, to wood and tire salvage, to building cobb homes, one thing seemed constant: in order to be green, you usually have to get brown first.

Mike first visits Terressentials where natural organic hair care products are made out of mud. He then returns to Montana to do some more work with big animal vet Charlene Esch. Finally, Mike joins forces with the yak and bison rancher who put him to work in his 150th Dirty Job.

Revisit of jobs related to family with Mike visiting his parents: crab fisherman ("Vexcon"), maggot farmer ("Maggot Farmer"), leech trapping ("Leech Trapper"), candy maker ("Fuel Tank Cleaner"), coffee plantation ("Ostrich Farmer"), worm grunter ("Worm Grunter"), mealworm farm ("Cricket Farmer"), walnut harvester ("Goose Down Plucker"), bell maker ("Bell Maker"), raw meat dog food maker ("Leech Trapper"), goat milk soap maker ("Reef Ball Maker"), sponge diver ("Sponge Diver"), mobile butcher ("Custom Meat Processor")

Mike visits with long-time fans Marilyn and Carolyn Maedel to look at never-before-seen footage at a crawfish factory in Louisiana. Then, he experiences the many hands-on duties that come with being a termite researcher on Sapolo Island in Georgia.

Mike travels to Ohio to check on the Common Tern population and then he finds himself in Northern California plugging an abandoned mineshaft.

Mike gets dirty in Alaska as he helps protect the environment by cleaning up an oil spill. He then travels to Minnesota where he works to pull a car out of a lake that has fallen through the ice.

Mike heads to MotivePower in Boise, Idaho to build and restore locomotives for his 200th dirty job.

Making a home energy efficient by improving insulation, turkey artificial insemination, viewer mail, car crusher

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 wrangles some water snakes, steps into the shoes of hard working bait and lobster fishermen in Maine, and opens the viewer mail bag which results in some seaweed trimming.

Mike goes to Michigan to join up with the 12 maintenance crew.

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 heads to an Oklahoma wind farm and learns that going green sometimes means you've got to get brown first. Then he heads to Kentucky to clean out a sinkhole that some have unfortunately turned into a garbage dump.

Mike helps break down some homes at the Windsorland Mobile Home Park to make room for a new shopping center. Next, he heads to Patina-V where he learns the art involved in creating a mannequin.

Mike travels to a remote area near Moab, Utah, to take on the job of being a paleontologist.

Mike takes a look at what dirty jobs past presidents once performed. This Dirty Jobs Extravaganza will leave us all looking at the country in a new way.

Mike first goes to Sacramento, CA to help repair railroad tracks. Mike then heads to Louisiana to learn how to make "boudin" (Cajun sausage). Mike then cuts and fry's pig skins to make "cracklin" (pork rinds). Finally, Mike goes to Oklahoma and joins a skull cleaning business to learn how to clean skulls and bones using beetles and maggots, including a whale carcass.

Mike Rowe rolls up his sleeves and gets dirty at a recycling center in San Francisco that requires their dump truck drivers to clean out the back of their dirty trucks after each shift. It's a dirty job that even Mike has a hard time completing.

Mikes learns how to make yarn from fleece and waxes hair off of his friend at a day spa.

Mike Rowe cleans out a Connecticut lake and then turns gourds into artwork in Pennsylvania.

Mike goes on the hunt for feral chickens on the streets of Miami.

Mike Rowe gets dirty as he braves the untamed world of Vomit Island, a place where few have ever been and even fewer would ever want to go. Mike's mission is to help band and count newly hatched herons on the poo covered island.

Mike Rowe joins a fourth-generation fisherman's crew in Georgia as they harvest cannonball Jellyfish for food, a trade known as Jellyballing. Then Mike helps a father-son team install epoxy flooring at a restaurant in time for the dinner rush.

Mike reminisces about jobs where he had to work in tight spaces, including the time he cleaned the inside of a buoy, his adventure in an abandoned mine, and an insulation application assignment beneath a home.

Mike takes a look back at his previous jobs, toughest co-workers, and his ongoing encounters with dirt and poo. With additional footage from "Skull Cleaner" and "Turkey Inseminator"

Mike Rowe gets dirty in Oregon making shingles and then jumps on a Coast Guard ship to clean dirty buoys.

Even though Mike has worked with concrete before in Dallas, he visits concrete workers in California today to learn the art of concrete stamping. Then he goes to New Orleans to care for penguins. Finally, he gets in the mud to hunt bloodworms in Maine.

Mike first heads off to California to help tear down a dam so trout on the endangered species list can spawn. Mike then goes to Pennsylvania to restore a church's pipe organ, a process that takes a total of eight years to complete. Finally, Mike goes to Puget Sound in Washington to harvest geoduck clams, otherwise known as "gooey ducks".

Mike visits a Texas ranch that breeds exotic animals like sloths, lemurs, camels, and bearcats.

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

Mike hooks up with the tar rigging crew on the oldest active merchant ship in the world, the Star of India in San Diego. Then, Mike looks back at some of the dirtiest tools he's used, all which make life simpler for the rest of us.

Mike works at a barber shop in Mobile, Ala., and visits California to work as a landfill operator.

Breeding and training Alaskan Huskies as sled dogs with Martin Buser; revisit of dirty jobs in Alaska: Bird ringing common terns and Canadian geese ("Abandoned Mine Plugger"), fishing and processing of fish ("Floating Fish Factory"), cleaning up diesel spill in Dutch Harbor, Alaska ("Ice Salvage Crew"), incinerating toilet cleaner ("Bologna Maker"). The mail bag portion was taped at the Soo Locks on the floor of the MacArthur Lock in front of the upstream bulkheads.

Mike visits a Chicken Farm to see how eggs make it to the store. There, he finds out that 1.4 million chickens equal a lot of poo, which he gets the chance to clean. Later, Mike learns how dirty dirt becomes clean dirt as he sterilizes soil in Oklahoma.

Mike travels to Yakama, Washington to harvest hops, the main ingredient in beer. From there Mike goes to the Hudson Valley where he turns animal hides in to paper.

Mike takes a look back at some of his former coworkers who should be role models for the green movement.

Mike and his crew travel deep into the Australian Outback to strike it rich with a group of opal miners. And then, with this already a dirty adventure with dangerous work and extreme temperatures, production is almost brought to a halt by a fly infestation.

In Australia, Mike Rowe teams up with local business "Snakes Away" to capture a poisonous Eastern brown snake without getting bitten, then joins a posse of local "toadbusters" in their war against the cane toad, a non-indigenous species destroying the local ecosystem.

Mike moves a giant cactus in Arizona and then helps raise maggots on a farm in Idaho.

Mike takes another look back at some of the unusual and quirky conversations he's had with his dirty co-workers. Using 99.9% never-before-seen footage, this special is an entertaining look at the art of communication.

Mike first goes to Pennsylvania at a coal processing plant and learns how to make coke, carbonized coal used to make iron which in turn is used to make steel. Mike then goes to Washington to an oyster shucking plant and works alongside a very dirty girl. Finally, Mike goes to Pasadena, CA to dismantle floats from the Tournament of Roses Parade.

Mike visits an old-fashioned corn mill in De Kalb, Miss. Also, Mike helps relocate a pair of exotic deer in Wills Point, Texas.

Mike reflects back on his more hazardous apprenticeships and makes a case for safety.

Mike journeys to Wenatchee, Washington to help maintain a hydroelectric dam. Then he explores a fish bypass system where he catches and tags fish and winds up wading through a pool of fish poop.

Mike Rowe gets dirty in Death Valley, CA preparing for a gem and mineral show. He then helps save injured birds from a nearby salt lake. Finally, he gets dirty working at a rice plantation in South Carolina.

Mike Rowe gets dirty making handmade bricks in South Carolina. He then masters the art of cranberry farming in Oregon.

Garbage collector/recycling separator, shark catcher/tagger, car recycling

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

First Mike helps remove trees and tree stumps in California. Mike then gets himself dirty with some fainting goats in Tennessee. Then he vists a place that breeds exotic insects in New Orleans.

Mike visits a bowling center in Fremont, Cal. and at the request of a fan turns the spotlight on his cameraman.

There are no second takes on Dirty Jobs, and this special shows you just what happens when you point real cameras at real people and let them talk ... while in Mike Rowes presence.

Mike becomes a specialty fireworks technician in Addison, Pa. and then helps examine a cow with a hole in its stomach at Arkansas State University.

Mike returns to his hometown Baltimore to rectify an OLD mistake and learns the recipe for Maryland's most popular crab seasoning.

Mike heads to Tarpon Springs, Florida to help collect sponges off the sea floor. Then he answers viewer mail and recounts his struggle with a metal fence post at an abandoned mine.

Mike heads to Meridian, California to find out what it takes to harvest walnuts. Then he spends some time in Tulelake where he learns how to make goose down pillows and comforters.

In Nebraska, Mike Rowe takes a shot at paving roads. Then, in reply to a mailbag question about his favorite animal, he recalls the time he crossed paths with a tiger crossbreed in Texas.

Mike Rowe works with a cave biologist and then braves the high seas in search of slime eels.

Mike takes a look at America's report card on its infrastructure and also salutes the workers who help preserve it.

Mike Rowe gets dirty at a famous barbeque joint, joins forces with a big animal veterinarian and finds himself deep in a New Jersey sludge.

Mike takes the day off to get a physical examination, leaving Executive Producers Eddie Barbini and Craig Piligian to host the show: servicing porta-potties and making custom-fabricated alloy wheels for Boyd Coddington Wheels

Mike goes to Southern California to handle skunks and other pests as an animal control specialist.

Mike goes to Ketucky to learn about race horse nutrition. That involves collecting the horse's vital statistic from it's blood, poop and pee. Fortunately there are plenty of flies to distract Mike while he prepares the samples.

Working with the Knights of Revelry, a 137-year-old secret society, Mike Rowe assembles evil-spirit-warding cow bladders for the Knights Mardi Gras parade float.

Baby chicken sexer, beer brewer, oyster harvester

Mike creates some concrete counter-tops and fire pits in Moss Landing, California and then reminisces about the scariest job he's ever done.

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.

Plumber, drilling mud, Rough necker (oil drilling)

Mike helps dig tunnels that are used as underground wine caverns. Later he works behind the scenes with Southwest Airlines as a baggage handler. He also gets to work with the airport incinerator.

Mike first travels to Colorado to help out at a marble quarry. He then goes to California to collect owl vomit which is sold to school children for research projects. Finally, Mike travels to Texas to palpate cows, a process used to figure out if a cow is pregnant. He also gets a little too familiar with a bull.

Reptile handler

Mike travels to New Mexico to work as a Fish Squeezer with the Department of Game and Fish. Then he heads to Virginia to practice the ancient art of pet acupuncture on a goat named Lilly.

Mushroom farmer, storm drain cleaner, drain cover foundry

Sugarcane mill, firefighter (Fremont, CA), alligator farmer

Mike learns how to make a pig delicacy known as scrapple and later becomes a shoe doctor's assistant.

Mike first goes to northern California to count dead salmon. Mike opens up the mail bag and answers a viewer's question about the snake researcher segment. Just when Mike thought he had seen it all, he visits a cow farm in Connecticut that specializes in making gardening pots out of cow manure.

Mike visits a coffee plantation in Hawaii and learns about the long process in how to make coffee, from picking the beans to roasting them. Mike then goes to Sausalito, CA to be a marine mammal rescuer and help rehabilitate some injured seals.Finally, Mike learns about ostrich farming, from their daily upkeep to collecting their eggs.

Toilet Crusher & alligator snapping turtle researcher

Mike Rowe gets dirty as he works with surfboard shaper Matt Barker. Mike masters the art of shaping a surfboard from Styrofoam. And Mike goes underground into a greasy pit of sludge as he joins an environmental company that recycles the gunky grime.

A special episode which looks back at previous episodes as Mike offers employment tips he’s learned over the years.

Mike sucks rocks off an industrial roof with a massive vacuum. He then travels to the Black Hills to carve the largest monument in the world: Crazy Horse. Both stories involve several generations working together to pass on their life's ambitions.

Mike exposes the fascinating secrets behind the dirty world of special effects. He explores this very strange world as he is transformed into a real life zombie by special effects artist, Toby Sells. Also, Mike gets dirty harvesting kelp.

Mike answers viewer mail and pollinates date palm trees in Palm Springs.

Mike works on a fish processing boat in the Bering Sea and cleans out the fish grinder. Then he heads to the Rapid River Rustic Mill to lend a hand with debarking, peeling and processing wood for a cedar log cabin.

Mike visits a forensic entomology lab where he helps inspect pig carcasses for maggots and other insects.

Concrete spreader, termite exterminator, concrete truck cleaner

Mike first goes to the Chimney Safety Institute of America in Plainfield, IN and learns how to be a certified chimney sweeper. Mike then goes to Ontario, Canada to salvage underwater logs, which are then used to make furniture. Finally, Mike visits a scrap metal recycler in St. Louis, MO and learns how to separate different metals and operate some big machines.

At Gills Onions, Mike Rowe slices, dices and tastes onions before cleaning out the juicing machine and parts of the reactor. Then, its off to the San Francisco Fire Department to help build wooden ladders.

Mike first heads off to Pasadena, California and discovers the difficult step by step process in patching up a roof. Then Mike goes to New Jersey and helps move a 60 ton, 225 year old house.

Mike visits the San Francisco Zoo and learns what it's like to be a zookeeper, essentially feeding the animals and collecting their poo.Mike then goes to Vermont to a haunted cheese making factory and learns not only how to make cheese, but the art of patience.Finally, Mike learns how to be a volcano ash mud bath mixer (spa technician) in Calistoga, CA and takes a mud bath after a very dirty day. That's not all - Mike also journeys to a live volcano in Hawaii and gets up close and personal with some very hot lava.

Mike heads to a good old fashioned steel town in Pennsylvania to work at a 75 year old candy store named Wertz Candies making all sorts of candy treats. Mike then goes to California and works as a tire retreader. Finally, Mike goes to McConnell AFB in Kansas to help repair the fuel tanks of a refueling tanker aircraft.

Mike once again joins up with the guys of Taylor Shellfish Farms to help them harvest mussels. Next he goes to Hawaii to learn about harvesting taro. Finally, Mike joins a family of alpaca farmers and learns the hard way that alpacas can be pretty ill-willed animals when it comes to shearing them.

Mike heads to the site of a future California neighborhood where he learns that there's more to erosion control than one might think. Then Mike gets a bird's eye view of Palm Springs as he helps maintain and repair the tram 8,500 feet above the city.

Mike visits the Jelly Belly Candy Company to concoct a dirty boot flavored jelly bean based on his own sweaty, grimy, filthy pair of work boots. Then he travels to Maine to harvest blueberries and joins the "Pie Ladies" in a pie bakeoff.

Mike Rowe crams into a hockey arena's escalator where he scrapes and cleans a special kind of shmutz from the bottom. Then, he and a zoo keeper venture into the hot, treacherous Arizona desert at night to round up neurotoxic stinging scorpions.

Mike finds out what happens to old mattresses after people throw them out.

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.