Mike Rowe works with Australia's northern coast Aboriginals, who have lived off the land for more than 40,000 years. It's a dirty adventure that leaves Mike speechless as he works and hunts (yes, hunts) with tribal leaders.

Mike journeys down the Adelaide River to capture one of Australia's most deadly creatures: the crocodile. Then, after wrestling the wild crocs into the boat, he helps a scientist pump their stomachs and study their vomit.

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 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 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 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 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 installs rebar with a team of rodbusters, then he galvanizes steel.

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 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.

Mike Rowe trains as a trauma surgeon using hyper-realistic scenarios and specialized equipment to learn under simulated battlefield conditions. He then controls an invasive mess of iguanas which are posing health risks to humans on the Florida coast.

High-rise window washer, viewer mail: brine tank cleaner (Shark Reef at Mandalay Bay)

Mike visits a ship-building community in Coden, Ala., to learn the ins-and-outs of building a tugboat; he makes a long climb to the top of a dirty water tower in Magee, Miss., to clean inside the tank.

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.

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

A radio-communications tower rises in North Dakota; Mike visits a Hollywood soundstage to commemorate his experiences in all 50 states.

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 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 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 first joins a crew at a rock quarry in Washington and learns what it takes to make gravel from loading rocks to blowing up a side of a mountain. Next, Mike gets hip deep in mud and muck working with the hippo keepers at the Adventure Aquarium in Camden, NJ. Finally, Mike helps a crew of hooftrimmers give some cows a pedicure and later cleans a cow foot bath.

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.

Reptile handler

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 visits a distillery, where he turns molasses into rum, hauls hoses, scours copper and works with scalding liquid.