Mystery Diners Season 9: Episode Guide & Ratings

In the Season 9 premiere, the owner of Corbin Bowl in Tarzana, Cal., contacts Charles for help after hearing complaints about rowdy customers. An investigation reveals that employees are condoning reckless behavior.

Charles and his team investigate Lenny's Deli in Los Angeles after the owner expresses concerns that his new baker is taking artistic license with customer cake orders. However, it's discovered that there are bigger problems hurting this business.

The wait staff of a California restaurant contacts Charles to do a reverse sting on their employer.

Missing wine barrels are investigated by Charles and his team during a visit to Doffo Winery in Temecula, Cal.

Owners hear rumors that their restaurant is open on the one day it's supposed to be closed.

Charles has a repeat customer when the owner of Capo's Speakeasy in Las Vegas, who the team helped in the past, requests a sting operation on his personal chef.

The owners of Moviesets, in New Orleans, are concerned about theft at their prop house-turned-event center.

Owner is concerned about an unhealthy competition between her two New Orleans restaurants, Toast and Tartine.

The owner of Marigny Brasserie in New Orleans notices an influx of rowdy tourists at his bar for locals.

The owner of Victory in New Orleans begins hearing rumors that his restaurant's signature cocktail is being served at other bars.

The owners of the Gateway Restaurant and Lodge, located near Sequoia National Park in California, hear complaints of unauthorized parties taking place inside their vacant cabins.

Missing supplies and unauthorized passengers are a concern for the owner of the Fillmore and Western Railway in California.

Owner suspects one of her managers after noticing over $4,000 missing from her office safe.