NEW YORK — The star of Discovery Channel’s new series “Brew Masters” says people in his craft-beer industry are “proudly promiscuous.” With their products, he means.

“We encourage beer drinkers to check out their competitors’ beers,” said Sam Calagione, founder of the Dogfish Head Brewery in Delaware, as he sat at a restaurant table with a nearly drained pint of a Brooklyn-made lager in front of him.