Mystery Diners · S2 E2
La Traviata
Long Beach, California
Good outcome here: the business is still trading today.
The short answer
Italian restaurant in the historic Willmore Building, ~27 years in business; official site and OpenTable/Yelp all show current operation.
What happened on the show
Complaints about fishy fish sent Long Beach restaurateur Mario Nasab to Charles Stiles, worried that a chef inherited from the previous owner was not honest about what went on the plate. Stiles sent mystery diners Rob and Shellene undercover as a fish purveyor and a cook. On the hidden cameras, as aired, chef Joe has the fake purveyor buy cheap non-organic stock, passes off inexpensive carp as Chilean sea bass, and pockets the change from Mario's ingredient money. The confrontation has Mario demanding the cash back and firing Joe, who throws the money in his face and shrugs that fish is fish. Stiles closes with Mario rehiring a former chef and quality climbing again. As with the series generally, and its later staging allegations especially, this substitution sting is best framed as broadcast rather than confirmed.
After the cameras left
La Traviata is a clear survivor, and not because a camera crew rescued it. The Italian restaurant is still open in Long Beach's historic Willmore Building at 301 Cedar Avenue, roughly twenty-seven years in business, with current operation confirmed across its own site, OpenTable and Yelp in our 2026 check. It is exactly the profile that recurs on this show, an established neighborhood room that appeared on a crisis program and simply kept doing what it had always done.
Location
301 Cedar Ave (301 N Cedar Ave), Long Beach CA 90802
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Sources
Confidence: high. Last checked 2026-07-19.