The owners of Supperclub in Los Angeles contact Charles Stiles for help after noticing lackluster dinner sales and a dip in bottle service.
The owner of B-Man's Teriyaki and Burgers in Pasadena, Calif., becomes suspicious when he notices a drop in customers.
The owners of Epic Rollertainment in Murrieta, Calif., contact Charles Stiles for help after noticing missing food and merchandise.
Father and son owners of the Star Cafe and Star Coaches in Atlanta are concerned about missing food in their kitchen and a rise in fuel expenses on their tour buses.
The owner of the Anchor Bar and Tattoo in Atlanta notices a drop in food and tattoo sales.
The owner of Old Vinings Inn in Atlanta, begins hearing rumors of unauthorized Civil War Tours taking place inside his historical restaurant.
The general manager of Emerald Hills Golf Course in Hollywood, Fla., fields complaints about non-members playing for free.
The owner of Moreno's Cuba Cafe and Riviera Hotel in Miami Beach, Fla., believes his staff is sneaking friends into the hotel's free happy hour.
The owners of Latin House in Miami suspect that someone at their offsite warehouse is giving away the recipes to their award-winning burgers.
The owners of The Real Food Academy in Miami Shores, Fla., are concerned that their cooking instructors are going off curriculum.
The owner of Weiland Brewery in Los Angeles, contacts Mystery Diners after noticing discrepancies with his beer supply.
The owner of Harvey's Steakhouse in Huntington Beach, Calif., notices a decline in his restaurant's older customers.
A woman notices numerous discrepancies with the catering company she uses to cater her art shows.
A former client contacts Charles to help determine if he should invest in a failing California restaurant.
After noticing over $4,000 missing from her office safe, Keeli, owner of Fuzion in Huntington Beach, Calif., suspects that one of her managers is responsible.
The owner of Fillmore and Western Railway, in Fillmore, Calif., is concerned about missing supplies and rumors of unauthorized passengers during his train's dinner theater service.
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.
The owner of Victory in New Orleans begins hearing rumors that his restaurant's signature cocktail is being served at other bars.
The owner of Marigny Brasserie in New Orleans notices an influx of rowdy tourists at his bar for locals.
Owner is concerned about an unhealthy competition between her two New Orleans restaurants, Toast and Tartine.
The owners of Moviesets, in New Orleans, are concerned about theft at their prop house-turned-event center.
Having already been helped by Mystery Diners in the past, Nico, owner of Capo's Speakeasy in Las Vegas, contacts Charles to help with a personal problem at his new home.
The owners of Hot Red Bus, near Los Angeles, contact Charles after hearing rumors that their restaurant is open on the one day it's supposed to be closed.
The owner of Doffo Winery in Temecula, Calif., contacts Charles after noticing missing wine barrels.
Tired of being mistreated, the wait staff of a California restaurant contacts Charles to do a reverse sting on their employer.
The owner of Corbin Bowling Center in Tarzana, Calif., contacts Charles for help after hearing complaints about rowdy customers.
The owner of Lenny's Deli in Los Angeles, fears that his new baker is taking artistic license with customer cake orders.
Chef Chai, the owner of a restaurant in Honolulu, notices multiple ticket voids and calls in Charles for help.
The owner of ShoreFyre in Honolulu notices discrepancies in sales and contacts Charles to investigate.
The manager of the Hawaii Yacht Club in Honolulu, responds to complaints about nonmembers at members-only dinner events.
The owner of Cha Cha Cha Salsaria in Honolulu, hears rumors of an unauthorized boat delivery service.
The owner of Rock Island Cafe in Honolulu, asks for help when he notices a drop in his restaurant's memorabilia sales.
A staff may be getting carried away with the digital shorts they produce to promote a restaurant and help is sent in.
Rod and Linda, owners of a la carts Food Pavilion in Portland, Ore., hear complaints from their tenants about the new onsite manager so mystery diners are sent in to investigate.
The owner of Uptown Billiards believes the social media expert he hired to promote his restaurant isn't doing his job and mystery diner Amber steps in with an interesting discovery.
Ghaith and Tiffany, the owners of Dar Salam in Portland, Ore. notice a discrepancy in supplies and fear their competition may be the culprit.
The owners of Fenders Moto Cafe and Brew Pub in Portland, Ore., notice some of their valuable motorcycle memorabilia has gone missing.
The owner of Cookin' With Lenny Smokehouse in Los Angeles, fears that someone on his staff is using restaurant supplies to operate a competing catering company.
The owner of 55 Degree Wine and Link-n-Hops in Los Angeles, believes discrepancies at both his wine shop and restaurant are somehow related.
The owner of Tavern on Main outside of Los Angeles, fears someone on his staff is stealing donations from his restaurant's annual Thanksgiving Food Drive.
The owners of Geppino's Sicilian Kitchen in Moorpark, Calif., hear customer complaints about stolen items.
After purchasing Cafe Aldente in Studio City, Calif., the new owners believe the previous employees are still practicing old policies.
The owner of Black Rose Tavern in Los Angeles, fears that someone is taking advantage of her after noticing multiple register mistakes.
The owner of Rockabillies in Arvada, Colo., becomes concerned about a dip in sales, especially during his restaurant's summer vintage car show.
The owners of Indulge Bistro and Wine Bar in Colorado, notice discrepancies in their wine and cheese costs.
The owner of Slice Works in Denver, notices a decrease in delivery sales, and an increase in delivery complaints.
The owners of the Toad Tavern in Littleton, Colo., worry that their son and his band mates are more focused on their musical aspirations than their jobs in the restaurant.
The owner of 730 South in Denver, suspects that his regular customers have become too entitled.
The owner of Devine Pastabilities in San Diego, Calif., fears that someone is stealing from his restaurant.
Marko and Brett own competing food trucks in San Diego, but decide to work together to investigate revenue loss in both of their vehicles.
The co-owners of Barrio Star in San Diego, have a dispute over which waiter they should promote to manager.
The owner of The Compass in Carlsbad, Calif., fears that a rivalry between her two flair bartenders is the cause of tension and missing alcohol.
The owners of Shades Oceanfront Bistro in San Diego, Calif., discover discrepancies in their chicken and beef supply.
After a feud between his pizzeria and bakery threatens his business, John, the owner of Metro Pizza in Las Vegas, needs help dealing with the backlash.
The owners of Protein House in Las Vegas experience discrepancies with their supply of expensive protein supplements.
The owner of Sergio's Italian Gardens in Las Vegas, is concerned about a conflict between her longtime pianist and recently hired magician.
The owner of Barefoot Bob's Beach Bar & Gaming in Las Vegas, hears employee complaints about his new manager.
The owner of Nacho Daddy in Las Vegas, notices a discrepancy in the expensive scorpions used in his restaurant's scorpion shot.
The owner of Beets Cafe in Austin, Texas worries that her employees are selling the secret recipes to her raw food menu.
The owner of Uncle Billy's Brew and Que in Austin, Texas hears rumors that kegs of his privately brewed beer are showing up at local frat parties.
The owner of Bakehouse Restaurant and Bar in Austin, Texas, fears a dispute between his son and a waitress is threatening the harmony of his restaurant.
The owners of Old School Bar and Grill in Austin, Texas, are concerned about not turning a profit on their Poetry Nights.
The owner of Pelons Tex-Mex Restaurant in Austin, Texas, hears stories that his staff is collecting money for an unauthorized charity.
The owner of the Roll'n Lobster Food Truck in Los Angeles suspects his new drivers are using his vehicle for personal errands.
The owner of Spring Street Smoke House in Los Angeles, notices a decrease in his fat trimmings.
The owners of Mexicali Tacos in Los Angeles investigate rumors of customers being served food off-menu.
The owner of Encore Dinner Theatre, suspects a relationship between one of his waiters and one of his actresses is affecting customer service.
The owners of Redballs Rock & Roll Pizza in Moorpark, Calif., investigate discrepancies in their pizza supplies.
The owner of The Hangout in California, notices an unusual increase in coupons.
The owner of Taverna Mazi in Seattle, hears rumors that customers are taking haunted tours of his restaurant.
The owner of Zippy's Giant Burgers in Seattle, hears rumors that his costumed mascot is misbehaving.
After inheriting some of their staff from the previous owner, the new owners of Sam's Tavern in Seattle, believe there is a divide between the old guard and their new employees.
The owner of Bistro Baffi, in Burien, Wash., asks for help when expensive bottles of wine go missing.
The co-owner of Speisekammer in Alameda, Calif., fears the German Dirndl Girls hired by her ex-husband are causing more harm than good.
Charles investigates a rumor of a new manager who is running unauthorized promotions at Rocco's Cafe in San Francisco.
An owner contacts Charles when he hears rumors that customers are being served meat at his vegan restaurant.
The owner of Looney's BBQ in San Leandro, Calif. asks Charles to investigate his staff.
The owner of Falls Taproom in Philadelphia asks for help investigating an ongoing feud between his girlfriend/manager and his best friend.
The owner of Gigi Restaurant in Philadelphia, suspects that his mother is discriminating against younger customers.
The owner of Cheesie's Pub & Grub in Chicago is puzzled by the amount of people winning his grill-cheese eating challenge.
The owner of Bistro Bordeaux in Evanston, Ill., investigates several complaints about his new chef.
While recovering in Brazil from a paragliding accident, the owner of Gauchos Village in Glendale, Calif., notices a discrepancy in revenue and inventory at his restaurant.
Patrick, owner of Buster's Beach House in Long Beach, Calif., hears rumors that his Executive Chef is showing preferential treatment amongst the wait staff.
After noticing a drop in revenue at his Dallas restaurant, Stroker's Ice House, a man tries to convince his retired mother to return as the manager.
Francesco, the owner of Zio Cecio in Dallas, begins hearing rave reviews about the Tex-Mex food being served in his Italian restaurant.
The owner of Poppy's The Crazy Lobster in New Orleans, fields complaints about constant fighting between the cooks and a bartender.
The owner of Deanie's Seafood in New Orleans, is worried that his manager may be more interested in his amateur comedy career than in managing the restaurant.
The owner of R&O's Restaurant in New Orleans, is fed up with the lack of respect.
Garcia's Seafood in Miami, Fla., owner notices an unusual low amount of crab claws.
George's Restaurant in Miami, Fla., has dishonest employees.
After receiving complaints, the owner of Catharsis finds out employees have created a game where they mess with blindfolded customers.
The owners discover that money is missing from their register and attempt to find the culprit.
The owner of Via Brasil believes his meat sales aren't showing up properly in the register.
A lovers' quarrel between two employees effects sales at Marche Bacchus.
Nico, owner of Capo's, is receiving complaints that his brother/manager is acting inappropriately with guest.
The overnight bartender at Putter's Bar & Grill is running his own bar in the restaurant.
The owner of Rhythm Kitchen in Las Vegas suspects his wine sommelier is negatively affecting spirit sales.
Whiskey Dick's co-owner becomes concerned when female patrons numbers decline.
Chef Marc, owner of Parma in Las Vegas notices a discrepancy in receipts and suspects an employee may be using supplies for personal gain.
Johnny, owner of Pina Pizza House in Downey, Calif., believes his frat-tastic college-enrolled waiter may be taking the party off campus and into his restaurant.
Ali, owner of Marrakesh, a Moroccan-themed restaurant in California, believes his manager may have a gambling problem outside of work that's affecting his ability to do his job.
A former waiter has threatened a lawsuit against owner Derrick, so to appease him Derrick made him a host but his laziness has not stopped.
Ca' Brea in Los Angeles is receiving complaints about the valet service.
Mario, the owner of La Traviata in California, questions the quality of the food.
The staff of D'Cache restaurant in Los Angeles is concerned the newly promoted head waiter is not splitting the tips evenly.
The owner of 3 Tomatoes & A Mozzarella bistro fears the manager is not doing his job right.
Chef 'Grumpy Tom's' negative attitude at The Blue Moose restaurant.
An inappropriate manager at the Amaro Italian Bistro.
Caffe Boa' gets bad service reviews and experiences a 30-percent decline in revenue.
Unaccounted alcohol rumors of late night staff parties at Big Earl's Greasy Eats.
Owners of Haus Murphy hire their nephew as restaurant manager.
The Groves Bar & Grill loses food and supplies.
A pub owner's suspicions of her bartender are confirmed with the help of mystery diners.
Mystery Diners counts down the greatest moments involving employee theft, including stolen food, alcohol, supplies and money.
Counting down the series' all-time favorite family feuds, from dishonest siblings to thieving spouses, dysfunctional families are caught on tape.
A count down of the top ten biggest twists that surprised Charles Stiles and the various restaurant owners who called for help.
A countdown of the top 10 love-related scams that broke hearts and the bank.
The owner of Nashville Street Tacos and The Stillery in Nashville, believes his part-time apartment above his restaurant is being used while he's out of town.
Rose and Tom of Belcourt Taps in Nashville contact Charles Stiles for help after hearing rumors that their songwriting contest is rigged.
Tony, the owner of Rivoli's in Tom's River, N.J., begins to believe that his new meat purveyor is selling him stolen goods.
Brother-sister owners of Langosta Lounge in Asbury Park, N.J. contact Charles Stiles after noticing a discrepancy in their lobster supply.
Manny of the Spanish Potato Grill in Brick, N.J. is concerned about vandalism at his new restaurant location, which is currently under construction.
Charles Stiles and his undercover team investigate to see if horrifying accusations made against a boss are true.
After hearing complaints about her valet service, Kitty contacts Charles Stiles for help; Daniel and Jamie go undercover to discover an unauthorized car washing service.
In Brooklyn, N.Y., Vlane, the owner of Action Burger, contacts 'Mystery Diners' after comic books go missing from his comic book-themed restaurant.
The owner of Smokin' Barrel in Hoboken, N.J., contacts Charles Stiles to investigate after noticing a decline in sales every holiday season.
The owner of Riemma Kitchen Warehouse, asks Charles Stiles for help after his customers find food inside the factory-sealed appliances they just purchased.
A meal delivery service owner contacts Charles Stiles for help after receiving several customer complaints about her service.
An aspiring restaurateur asks Charles Stiles to investigate the Russian chef he plans to go into business with before he invests his life savings in a new Russian restaurant.