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 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 joins forces with a master-cooper, or in laymen's terms, a barrel maker. Mike also teams up with some mule loggers.

Mike joins the Bowie BaySox team at Prince Georges Stadium in Maryland acting as a groundskeeper. Next he fixes boat moorings with a former Navy SEAL. He then joins Watson Water company dig deep through mud, rock, gravel, sand and water as they drill for heating and water in Tennessee. Also, Mike takes a dive into the mail bag.

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 goes underground in Hutchinson, Kansas to learn about mining rock salt. This episode also focuses on the behind the scenes action in filming the show.

Mike first heads off to Napa Valley to learn how to make wine. Mike then gets dirty at a Kansas Cattle Ranch learning about the cattle business.

Mike heads off to San Diego to learn the dirty job of hydroseeding. He then reads a viewer's letter and shows us never before seen footage from a previous episode. Finally Mike gets dirty cleaning up a 100 year old steam yacht.

Mike heads off to Texas to work with an outdoor advertising company.

Reptile handler

Mike goes to Georgia to learn how to make artistic jugs. He then joins Richard Meyer and his sons in upstate New York to learn the ancient trade of tanning leather.

Mike Rowe and the Dirty Jobs crew travels to Michigan to work with the Mackinac Bridge Authority on one of the world's largest suspension bridges. Mike goes to great lengths, and heights, braving 50 mile per hour winds while helping paint the bridge.

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 gets dirty as he forages the swamps of Louisiana in search of alligator eggs 90,000 of them to be exact. It's a very dirty job that's helping to preserve the population of the American alligator.

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 rolls up his sleeves and gets dirty in order to help create an artificial underwater reef. It's a dirty job that is helping to revitalize fish and coral populations in areas that have been devastated by pollution.

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.

Mike Rowe gets dirty with a team of airport runway painters, examines dirty diapers for bad smells and then teams up with a group of spray insulation technicians that get dirty to keep our houses warm.