Money on the Side: The owner of Rocco's Cafe in San Francisco calls the Mystery Diners crew when he hears rumours that there are unauthorised promos being given by his new manager. (S5 Ep3)
Chef's Choice: Patrick, owner of Buster's Beach House in Long Beach, calls Charles to investigate rumours that his executive chef is showing preferential treatment amongst the waiting staff. (S4 Ep1)
Employee of the Month: When a lack of employee harmony threatens his restaurant, Vic, owner of Colombo's Italian Steakhouse in Eagle Rock, contacts Charles for help. (S4 Ep3)
Going to the Dogs: After noticing depleting supplies, the owners of Shades Oceanfront Bistro ask the team to go undercover. They discover one employee's running their own side business. (S7 Ep1)
Cocktail Fail: Fearing that her bartenders' rivalry is the cause of missing alcohol, Sarra asks Charles Stiles to investigate. Mystery Diners go undercover to find out who's the culprit. (S7 Ep2)
While the Cat's Away: While recovering in Brazil from a paragliding accident, Kevin, owner of Gauchos Village in Glendale, notices a discrepancy in revenue and inventory at his restaurant. (S4 Ep4)
Too Many Cooks: After receiving numerous complaints about his new executive chef, Pascal, the owner of Bistro Bordeaux in Evanston contacts Charles to investigate. (S4 Ep5)
Promotion Sabotage: When Isabel and Todd feud over which waiter to promote, they ask Charles to mediate. Mystery Diners discover one of the candidates is being sabotaged from within. (S7 Ep3)
Duelling Food Trucks: Marko and Brett own competing food trucks in San Diego, but have put aside their differences to investigate revenue loss in both of their vehicles. (S7 Ep4)
Oktobertheft: The co-owner of Speisekammer, a German restaurant in Alameda, California, worries that the 'dirndl girls' hired by her ex-husband are more trouble than they're worth. (S5 Ep5)
The Great Divide: After inheriting staff, the new owners of Sam's Tavern believe there's a divide between the old and new employees. Charles discovers who's responsible for the rift. (S5 Ep8)
Mascot Mayhem: Rumours of a misbehaving restaurant mascot are investigated when Charles Stiles and his team visit Zippy's Giant Burgers in Seattle. (S5 Ep9)
Paranormal Activities: The owner of Taverna Mazi in Seattle wants Charles to look into rumours that members of his staff are offering haunted tours of the restaurant. (S5 Ep10)
Coupon Coup: A rise in coupon use worries the owner of a California restaurant, who discovers, with help from Charles Stiles, that he has good reason to be suspicious of his staff. (S5 Ep11)
Cover Charge: Charles and his team go behind the scenes at Red Balls Rock-and-Roll Pizza in Moorpark, California, to investigate inventory discrepancies. (S5 Ep12)
Tastes Like Chicken: After hearing rumours that customers are being served meat at his vegan restaurant, Mitch, owner of Source contacts Charles Stiles for help. (S5 Ep2)
Fired Up: The owner of Looney's BBQ calls the Mystery Diners crew to investigate if his staff is pranking their customers with extremely hot sauce. (S5 Ep1)
Three's a Crowd: Marvin contacts Charles to help investigate an ongoing feud between his girlfriend/manager and best friend/customer. Mystery Diners go undercover. (S4 Ep12)
What a Drag: After hearing complaints from his cross-dressing customers that the weekly quiz night is rigged, Bob, owner of Venture Inn, suspects his manager is responsible. (S4 Ep11)
Security Issues: After hearing complaints that their late night security guard is being too rough with customers, Dave and Mike Frank contact the Mystery Diners for help. (S4 Ep10)
Throw Mumma from the Restaurant: When Tommy, owner of Gigi Restaurant, suspects that his mother/manager is discriminating against younger customers, he contacts Charles to investigate. (S4 Ep9)
Deliver Us from Evil: After receiving numerous complaints about his delivery service, Danny, the owner of Bella Luna Cafe, contacts Charles for help. Mystery diner Mark goes undercover. (S4 Ep8)
Lactose Intolerant: After learning that several petite women have easily completed their grilled cheese eating challenge, restaurant owner Chris contacts Mystery Diners to investigate. (S4 Ep7)
Dinner Drama: The owner of Encore Dinner Theatre calls in Charles Stiles and his team. The Mystery Diners investigate if a relationship involving a waiter and an actress is creating drama. (S5 Ep13)
Cover Charge: Charles and his team go behind the scenes at Red Balls Rock-and-Roll Pizza in Moorpark, California, to investigate inventory discrepancies. (S5 Ep12)
Cooking the Books: Jamie and Francine, the owners of California's Sisley Italian Kitchen, believe their bookkeeper may be responsible for a revenue discrepancy, so Charles investigates. (S3 Ep13)
Armed Services: After hearing complaints that his ex-military manager is being too strict, Keith, the owner of Buttons Restaurant in Texas, asks Charles to investigate. (S3 Ep12)
Coupon Coup: A rise in coupon use worries the owner of a California restaurant, who discovers, with help from Charles Stiles, that he has good reason to be suspicious of his staff. (S5 Ep11)
Paranormal Activities: The owner of Taverna Mazi in Seattle wants Charles to look into rumours that members of his staff are offering haunted tours of the restaurant. (S5 Ep10)
Boss Hog: After noticing a drop in revenue at a Dallas restaurant, Charles sends in mystery diners Hollie and Justin who discover the problem may be related to a local motorcycle shop. (S3 Ep11)
Menu Mayhem: When Francesco, owner of Zio Cecio in Dallas, starts hearing rave reviews about Tex-Mex food being served in his Italian restaurant, he calls in Charles to investigate. (S3 Ep10)
Wine on Wheels: Gary and Tony contact Charles after hearing rumours that employees are illegally selling alcohol to customers at their BYOB restaurant. (S4 Ep6)
Too Many Cooks: After receiving numerous complaints about his new executive chef, Pascal, the owner of Bistro Bordeaux in Evanston contacts Charles to investigate. (S4 Ep5)
While the Cat's Away: While recovering in Brazil from a paragliding accident, Kevin, owner of Gauchos Village in Glendale, notices a discrepancy in revenue and inventory at his restaurant. (S4 Ep4)
Employee of the Month: When a lack of employee harmony threatens his restaurant, Vic, owner of Colombo's Italian Steakhouse in Eagle Rock, contacts Charles for help. (S4 Ep3)
Chef's Choice: Patrick, owner of Buster's Beach House in Long Beach, calls Charles to investigate rumours that his executive chef is showing preferential treatment amongst the waiting staff. (S4 Ep1)
Cooking the Books: Jamie and Francine, the owners of California's Sisley Italian Kitchen, believe their bookkeeper may be responsible for a revenue discrepancy, so Charles investigates. (S3 Ep13)
Armed Services: After hearing complaints that his ex-military manager is being too strict, Keith, the owner of Buttons Restaurant in Texas, asks Charles to investigate. (S3 Ep12)
Boss Hog: After noticing a drop in revenue at a Dallas restaurant, Charles sends in mystery diners Hollie and Justin who discover the problem may be related to a local motorcycle shop. (S3 Ep11)
Menu Mayhem: When Francesco, owner of Zio Cecio in Dallas, starts hearing rave reviews about Tex-Mex food being served in his Italian restaurant, he calls in Charles to investigate. (S3 Ep10)
Secret Sauce: After trying a barbecue sauce from a competing restaurant that tastes exactly like his, Terry, the owner of Cooper's Old Time Pit Barbecue calls Charles to investigate. (S3 Ep9)
Mascot Mayhem: Rumours of a misbehaving restaurant mascot are investigated when Charles Stiles and his team visit Zippy's Giant Burgers in Seattle. (S5 Ep9)
The Great Divide: After inheriting staff, the new owners of Sam's Tavern believe there's a divide between the old and new employees. Charles discovers who's responsible for the rift. (S5 Ep8)
Secret Sauce: After trying a barbecue sauce from a competing restaurant that tastes exactly like his, Terry, the owner of Cooper's Old Time Pit Barbecue calls Charles to investigate. (S3 Ep9)
Crazy Hearts: After hearing complaints about a bartender who brings wild animals into the restaurant for entertainment, AJ, the owner of Poppy's The Crazy Lobster calls Charles for help. (S3 Ep8)
No Laughing Matter: Keith is concerned that his manager is more focused on his amateur comedy career than managing the restaurant. The Mystery Diners step in to investigate. (S3 Ep7)
Friends with Benefits: After realising how hard it is to start a new restaurant, the husband and wife owners of N'awlins Cafe, in New Orleans, contact Charles for advice. (S3 Ep6)
Crazy Hearts: After hearing complaints about a bartender who brings wild animals into the restaurant for entertainment, AJ, the owner of Poppy's The Crazy Lobster calls Charles for help. (S3 Ep8)
No Laughing Matter: Keith is concerned that his manager is more focused on his amateur comedy career than managing the restaurant. The Mystery Diners step in to investigate. (S3 Ep7)
Friends with Benefits: After realising how hard it is to start a new restaurant, the husband and wife owners of N'awlins Cafe, in New Orleans, contact Charles for advice. (S3 Ep6)
All in the Family: When UJ, owner of the family-run R&O's Restaurant in New Orleans, becomes fed up with the lack of respect he's receiving from his employees, he contacts Charles for help. (S3 Ep5)
Catch of the Day: After noticing an unusually low haul in crab claws, Luis contacts Charles for help. Mystery diners Harry and Carlos discover where the seafood is going missing. (S3 Ep4)
Party Monster: The owner of George's Restaurant wants both his customers and employees to have a good time. But when he notices a dramatic loss in revenue, he contacts Charles to investigate. (S3 Ep3)
Cheese-Burglar: When Stephanie and D-Rock, owners of Cheeseburger Baby in Miami, notice a discrepancy in their register, they suspect an ex-convict employee is stealing from them. (S3 Ep2)
Dining in the Dark: After receiving multiple complaints about theft and inappropriate touching during his monthly 'Dining in the Dark' event, owner Hernan contacts Charles for help. (S3 Ep1)
Where's the Beef?: Adam is concerned that meat sales aren't reflected in his register, so he calls in Charles. He discovers that the manager is doing more than just giving away free steak. (S2 Ep13)
Love Hurts: When two employees who recently broke-up disrupt staff harmony and start affecting sales at Marche Bacchus, owners Jeff and Rhonda seek Charles' help. (S2 Ep12)
Oktobertheft: The co-owner of Speisekammer, a German restaurant in Alameda, California, worries that the 'dirndl girls' hired by her ex-husband are more trouble than they're worth. (S5 Ep5)
All in the Family: When UJ, owner of the family-run R&O's Restaurant in New Orleans, becomes fed up with the lack of respect he's receiving from his employees, he contacts Charles for help. (S3 Ep5)
Catch of the Day: After noticing an unusually low haul in crab claws, Luis contacts Charles for help. Mystery diners Harry and Carlos discover where the seafood is going missing. (S3 Ep4)
Money on the Side: The owner of Rocco's Cafe in San Francisco calls the Mystery Diners crew when he hears rumours that there are unauthorised promos being given by his new manager. (S5 Ep3)
Tastes Like Chicken: After hearing rumours that customers are being served meat at his vegan restaurant, Mitch, owner of Source contacts Charles Stiles for help. (S5 Ep2)