Tim and Howard scour Pennsylvania for pre-prohibition rye and a colonial-era grist mill to recreate a spirit that sparked the Whiskey Rebellion in 1791.

Facing a booming demand and skyrocketing cost of goods, America's moonshiners join together to take stock of an unprecedented year of challenges and innovation.

In the season finale, just as Mark and Digger undertake their large-scale bootleg to Nashville, the law makes an unwelcome return.

Digger gets Daniel to attempt the first large-scale run of his milk-based liquor recipe; Richard combines Digger's sea aging with his own award-winning recipe.

Amanda returns to the mountains to help Mark and Huck crack the recipe for making shine from a rare breed of corn; Tim gets hands-on making old-school mezcal with volcanic rock and a horse-drawn stone wheel.

When Digger scores a tank of fresh milk, he and Mark attempt to solve the mystery of turning milk into moonshine; Tickle and Josh ramp up underground operations at the Law's rental house; hunting dogs invade Mike and Jerry's mountain still site.

Tim heads south to Oaxaca to uncover centuries-old secrets of making Mezcal; with costly sweet corn mash about to expire, Jerry jury-rigs auto parts to help speed the flow of liquor; Richard and Craig attempt a crystal-clear Bloody Mary moonshine.

When Josh moves into a remote farmhouse, Tickle and the Laws help devise an underground transport operation.

Mark and Digger team up with Danielle Parton to run the first moonshine in decades on her family property; Tim heads to the highlands of Jalisco to harvest blue agave to run Tequila; Richard invents a flammable recipe for a New Orleans chef.

Mark and Digger break the sound barrier finishing a run of straight rye for a Southern Rock customer; Richard makes a Big Easy classic for a demanding New Orleans chef; Jerry gets his shine groove back helping Mike reinvent a taste of the South.

Tim treks to the town of Tequila in search of the moonshine of Mexico; Tickle, Josh and the Laws build an assembly line of submarine stills for a large-scale run of pricey cherry shine; Mark and Digger take backwoods rye to a whole new level.

Amanda helps Mark and Huck use science to infuse fresh-picked pears into traditional corn shine; Richard teams up with Mark and Digger to make cherry cognac; Jerry returns from his close call to help Mike build a waterfall still site in Tennessee.

When Josh devises a formula for a profitable hard seltzer, he must convince Tickle and the Laws to contribute their valuable peach brandy to a risky enterprise; Mark and Digger attempt to turn a windfall of scuppernong grapes into Appalachian cognac.

Mark and Digger make a high-proof version of a favorite southern dessert; Amanda wows Mark and Huck with a new method to infuse flavor into shine.

Mark and Digger revisit the abandoned theme park of their misspent youth and convert a carnival ride into a whiskey-aging machine.

Mark and Digger search in an unlikely location for the ideal spot to sea-age their Tennessee whiskey; a wrong turn earns Josh his next broken bone.

Mark and Digger retrieve their sea-aged whiskey only to discover how easily it slips through their finger; Richard and Craig run into trouble upsizing absinthe production; Tickle and the Laws look to moonshine history to get their season on track.

Mark and Digger cross over onto private property while rerouting a limestone creek; Mike surprises Jerry while making blueberry champagne; Mark and Huck experiment with a surplus of raspberry syrup.

Tickle and the Laws build a new mega operation with Josh's help; Mark and Digger are forced to flee across state lines after a police raid; Mike and Jerry gather the courage to return to the scene of their own crime.

Mark and Digger hit a snag while transporting Tennessee water to Popcorn's North Carolina still site; Mark and Huck use their feet to make fortified wine; Richard summons the green fairy for an absinthe buyer from New Orleans.

"Moonshiners" is back and the backwoods is booming; for Appalachia's liquor makers, it's like the Roaring '20s again; a boom time for moonshine also comes with a lot more risk.

Tim and Howard go to Pennsylvania in search of the spirit that sparked the Whiskey Rebellion; as they track down pre-prohibition rye and a Colonial-era grist mill, Tickle builds a one-of-a-kind still to help re-create America's lost rye whiskey.

Mark and Digger follow JB to the site of Popcorn's last run; Mike and Jerry try building a still from a used whiskey barrel; Josh, Tickle and the Laws run to the hills after an ambush.

Mark and Digger receive a shocking answer after asking to run on commercial property; Mike and Jerry make brandy from blueberries and end up with an outstanding mash; Richard chases the green fairy hoping to make backwoods absinthe.

When Tim, Josh and Mike first ran shine in the backwoods, they inherited generations of tradition along with their family recipes; however, their next decisions set them on a road filled with obstacles that turned them into famous shiners.

The outlaws meet to reveal inside stories and expert insights into the unprecedented action in the backwoods, including sneak peeks into Tim's search for outlaw shine in Mexico; one shiner earns the highest moonshine rating yet.

Tickle and the Laws discover Josh is missing after a raid on their still site; Tim and Howard develop a high-proof solution to their gas shortage; after blowing up their first attempt, Mike and Jerry rebuild their oak barrel pot still.