Andy Klein of the Alaskan Brewing Co. helps the guys concoct a survivalist beer; James and Martin create their beverage in an ice cave, using glacier water and spruce tips as ingredients.

James and Martin captain two teams of Los Angeles home brewers in a competition to create the best new boundary-pushing beer.

A night of drinking in Louisville with Sean Patton and Jay Larson of "Best Bars in America" inspires James and Martin to brew a beer that tastes like the signature drink of the Kentucky Derby, a mint julep.

Anthony Gibson of the Tenaya Creek Brewery in Las Vegas helps James and Martin craft the world's most expensive beer.

The Brew Dogs get “foggy” in San Fran by making the world’s first vaporized beer. You don’t drink this beer, you inhale it!

Sam Calagione from the Dogfish Head Brewery helps James and Martin attempt to create a brand new beer while racing in the back of a truck at Dover Speedway.

James and Martin are in Germany, where they’re teaming up with old friend Greg Koch, who is poised to open Stone Berlin, the first ever American craft brewery to land in Europe. The three craft beer pioneers join together again to celebrate one of the world’s most renown beer cultures while rocking the establishment by brewing a beer that flies in the face of one of the country’s most archaic laws.

In an RV in Northern California, James and Martin make impromptu craft pairings with campfire food and create the ultimate collaboration beer with the help of a local professor, known as the "Pope of Foam."

Ska Brewing co-founder Dave Thibodeau works with James and Martin to craft an "ancient beer" that hasn't been made in centuries.

James and Martin head south of the border to experience the adventurous side of the Baja Peninsula. In the spirit of the Baja 1000, the wildest, most outrageous off-road race on the planet, the guys brew an equally outrageous beer, using sea urchin and peyote skins and serving it up Michelada style.

The heat is on in Miami, where James and Martin pay tribute to the city's infamous rum running history and brew a rum barrel aged beer while traversing the waterways outside of Miami Harbor.

James and Martin return home to their very own Brew Dog Brewery in Aberdeen, Scotland to revive the ghost of a dead Scottish beer.

James and Martin head to Vancouver, British Columbia to craft the perfect apre`s-ski beer, a piping hot- chocolate beer brewed in Whistler. Partnering with Vancouver's Main Street Brewing Company, the guys take advantage of Whistler's many high-adrenaline activities, and take their brew on the ultimate winter sports adventure.

James and Martin head to Brooklyn, the craft beer epicenter of the East Coast, and team up with entrepreneurial home brewers Stephen Valand and Erica Shea of the Brooklyn Brew Shop as well as modernist chef Wylie Dufresne to create the ultimate Big Apple Beer.

James and Martin brew the world’s most-caffeinated beer -- a big, bold, chocolate-coffee imperial stout -- on the top deck of the Bainbridge Island Ferry.

Along with Sam Adams’ proprietor and legendary craft beer entrepreneur Jim Koch, Martin and James brew a Boston Clambake beer, infused with lobsters and clams and brewed on a tall ship sailing through Boston Harbor.