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.

The episode was rated 7.42 from 12 votes.

Plumber, drilling mud, Rough necker (oil drilling)

The episode was rated 7.43 from 14 votes.

Mushroom farmer, storm drain cleaner, drain cover foundry

The episode was rated 7.44 from 16 votes.

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.

The episode was rated 7.56 from 25 votes.

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.

The episode was rated 7.57 from 30 votes.

It's a glitzy Las Vegas premiere as Mike visits the Lance Burton Theater to clean up the pens for Lance's show doves and geese. Mike then gets really dirty by visiting a pig farmer and helping him process and transport yesterday's buffet leftovers to feed the pigs.

The episode was rated 7.58 from 12 votes.

Mike begins by traveling to Palo Alto, CA to learn how to be a pet groomer, from cutting hair to giving baths. Mike then goes to Hawaii to turn happy green algae into unhappy red algae to be used as antioxidant gelcaps for human consumption. Finally, Mike goes to Missouri to learn how to be a charcoal factory worker. Mike ends the day with a barbeque and introduces us to the crew that help make the show.

The episode was rated 7.60 from 25 votes.

Mike goes to Washington and helps build a house out of cob, which is basically a combination of sand, clay, and straw.Mike then heads to California and works alongside Dave the bee man to get rid of some bee's infesting a church.Finally, Mike goes back to Washington and helps clean out the old oil from a deep fryer at a Mexican restaurant and then recycle the oil into fuel or bio-diesel.

The episode was rated 7.63 from 32 votes.

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.

The episode was rated 7.67 from 30 votes.

Revisit of dirtiest jobs: disaster cleanup crew member ("Sewer Inspector"), septic tank technician ("Worm Dung Farmer"), sewer inspector ("Sewer Inspector"), sludge recycler ("Sludge Cleaner"), fish gutter ("Bat Cave Scavenger"), charcoal maker ("Micro-Algae Man")

The episode was rated 7.71 from 17 votes.

Turkey farmer, potato farmer, waste water sewage plant

The episode was rated 7.71 from 14 votes.

Mike goes to South Carolina and learns about shrimping. He also helps study the shrimp population in order to find out when it's time to open the shrimping season. Mike then goes to the swamps of Louisiana to catch some crawfish. Finally, Mike goes to Washington to clean up an illegal tire dump and recycle some tires.

The episode was rated 7.83 from 23 votes.

Revisit of dirty jobs involving water: shark catcher/tagger ("Chinatown Garbage Collector"), golf ball diver ("Roadkill Cleaner"), oyster harvester ("Chick Sexer"), crawfish catcher ("Shrimper"), catfish noodler ("Worm Dung Farmer"), shrimper ("Shrimper")

The episode was rated 7.85 from 20 votes.

Mike Rowe steps into the world of creepy critters and gets up close and personal with some small creatures. Mike talks about some of the behind the scenes moments from when he was an exterminator, a crab fisherman, a bee keeper/exterminator, worn farmer, and finally a bat biologist.

The episode was rated 7.88 from 24 votes.

Mike answers questions from viewers and shows some of the many outtakes and deleted scenes from the show. Mike also does a new dirty job and goes to a dairy farm in Pennsylvania to milk some cows, feed a newborn calf, collect fresh cow poo for study, and do some of the daily maintenence on the feed mill. Mike ends the show by singing his own version of the Dirty Jobs theme song.

The episode was rated 8.33 from 12 votes.