Mystery Diners · S4 E3
Newport Beach Brewing Company
Newport Beach, California
No longer open. It has closed in 2018.
The short answer
Balboa Peninsula brewpub, Newport Beach's first brewery, poured its final beer November 4, 2018 after 23 years, per LA Times/Daily Pilot.
What happened on the show
Michael Madlock kept hearing about beers he had never brewed being poured at his Newport Beach brewpub, even as his own beer sales fell, and he suspected his brewmaster of a side operation. Charles Stiles sent mystery diners Amber and Grant in as a customer and a barback. As aired, the brewmaster is clean; the culprit is a bartender named Mike, home-brewing his own flavored beers, which prove terrible, and pushing them on Madlock's customers, refusing cards for them because they were off the books. A waiter is caught helping. The confrontation has Madlock firing Mike, who fumes that his boss passed up a marketing opportunity. Because Mystery Diners was later accused of scripting its confrontations, this off-menu-beer sting is best framed as broadcast rather than as documented event.
After the cameras left
Newport Beach Brewing Company closed, but on a long and honorable clock. The Balboa Peninsula brewpub, the city's first brewery, poured its final beer in November 2018 after twenty-three years, per the LA Times and Daily Pilot in our 2026 pass. Twenty-three years is a full life for a brewpub, and its ending, years after the episode, was ordinary lifecycle rather than any fallout from a hidden-camera night. A pioneer aged out; the sting had nothing to do with it.
Location
Newport Beach, California
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Sources
Confidence: high. Last checked 2026-07-19.