| Mystery Diners | Raising the Stakes: Ali, owner of Marrakesh, seeks the help of Charles and the Mystery Diners, because he believes his manager may have a gambling problem outside of work. (S2 Ep5) | Sun, Jul 23, 9:00 PM | Food Network | 30 mins |
| Mystery Diners | Getting a Leg Up: Derrick has a problem with an employee who claims he hurt his leg on the job. This former waiter has threatened a lawsuit, so to appease him, Derrick has made him a host. (S2 Ep4) | Sat, Jul 22, 9:30 PM | Food Network | 30 mins |
| Mystery Diners | Valet Disservice: George has recently received a few complaints that are surprisingly not related to the quality of his food or his wait staff's service, but about his valet service. (S2 Ep3) | Sat, Jul 22, 9:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Sat, Jul 22, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Sat, Jul 22, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Thanksgiving Thievery: Kristian, owner of Tavern on Main, fears someone on his staff is stealing donations from his restaurant's annual Thanksgiving Food Drive. (S8 Ep1) | Fri, Jul 21, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Daddy's Girl: When Joe and Fran hear customer complaints about stolen items, Joe suspects their daughter's boyfriend is to blame. Enter Mystery Diners to find the thief. (S7 Ep13) | Fri, Jul 21, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Fri, Jul 21, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Fri, Jul 21, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Cafe Coup: After purchasing Cafe Aldente, the new owners believe their employees are still practising old policies. Charles is called to find out if anyone is ignoring the new rules. (S7 Ep12) | Thu, Jul 20, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Partner in Crime: After noticing register errors, the owner of Black Rose Tavern fears someone is stealing. (S7 Ep11) | Thu, Jul 20, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Thu, Jul 20, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Thu, Jul 20, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Vintage Scams: Jimmy is concerned about a dip in sales, especially during his vintage car show. Charles sends in Mystery Diners who discover that his staff are breaking multiple rules. (S7 Ep10) | Wed, Jul 19, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Secret Pairings: When the owners of Indulge Bistro and Wine Bar notice discrepancies in their food costs, they contact Charles for help. (S7 Ep9) | Wed, Jul 19, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | Rigged Rental: Steve, owner of Nashville Street Tacos and The Stillery, believes somebody is using his apartment above his restaurant while he's out of town. The Mystery Diners investigate. (S11 Ep12) | Wed, Jul 19, 9:30 PM | Food Network | 30 mins |
| Mystery Diners | Crooked Contest: After hearing rumours that their songwriting contest is rigged, Rose and Tom of Belcourt Taps contact the Mystery Diners. Tiffany goes undercover to investigate. (S11 Ep11) | Wed, Jul 19, 9:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Wed, Jul 19, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Wed, Jul 19, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Vicious Cycle: After noticing a decrease in sales, Slice Works asks Charles to investigate its bicycle delivery service. Mystery Diners discover one delivery guy is doing two jobs at once. (S7 Ep8) | Tue, Jul 18, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Heavy Metal Mess: The Toad Tavern owners need to know if their son's band is more focused on their other aspirations. Enter Mystery Diners who find another employee may be ripping them off. (S7 Ep7) | Tue, Jul 18, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Tue, Jul 18, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Tue, Jul 18, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Customer Concerns: Fearing that his regular customers have become too entitled, Larry asks Charles Stiles to investigate. He discovers that an employee may be creating the problem. (S7 Ep6) | Mon, Jul 17, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Trademark Trouble: After already battling one fast food chain over the rights to his sandwich, the owner of Devine Pastabilities now fears someone from within is trying to steal his creation. (S7 Ep5) | Mon, Jul 17, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | Something Smells Fishy: When Mario becomes concerned over complaints about the quality of his fish, Charles Stiles discovers that the chef may not be honest about what's in his dishes. (S2 Ep2) | Sun, Jul 16, 9:30 PM | Food Network | 30 mins |
| Mystery Diners | The Tipping Point: After receiving complaints from his staff that the new head waiter is not evenly distributing pooled tips, the manager of D'Cache restaurant in LA contacts Charles Stiles. (S2 Ep1) | Sun, Jul 16, 9:00 PM | Food Network | 30 mins |
| Mystery Diners | Tables Turned: Charles Stiles and his undercover team risk it all to bust the boss. The sting is conducted from inside the restaurant to see if the accusations against the boss are true. (S11 Ep13) | Sat, Jul 15, 9:30 PM | Food Network | 30 mins |
| Mystery Diners | Rigged Rental: Steve, owner of Nashville Street Tacos and The Stillery, believes somebody is using his apartment above his restaurant while he's out of town. The Mystery Diners investigate. (S11 Ep12) | Sat, Jul 15, 9:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Sat, Jul 15, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Sat, Jul 15, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Fri, Jul 14, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Fri, Jul 14, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Fri, Jul 14, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Fri, Jul 14, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Thu, Jul 13, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Thu, Jul 13, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Thu, Jul 13, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Thu, Jul 13, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | The Italian Job: After a feud between his pizzeria and a bakery threatens his business, John contacts Charles for help. Mystery Diners go undercover and discover the source of the tension. (S6 Ep13) | Wed, Jul 12, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Heavy Lifting: After experiencing discrepancies with their supply of expensive protein supplements, Larissa and Andrew, owners of Protein House in Las Vegas, contact Charles to investigate. (S6 Ep12) | Wed, Jul 12, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | Hot Meat: Tony, owner of the Rivoli's, believes his new meat purveyor is selling him stolen goods. Charles sends in a Mystery Diner, who has trouble infiltrating the staff. (S11 Ep10) | Wed, Jul 12, 9:30 PM | Food Network | 30 mins |
| Mystery Diners | Lobster Looting: Brother-sister owners have noticed a discrepancy in their lobster supply at Langosta Lounge. With the help of Charles Stiles, they'll discover where the lobsters are going. (S11 Ep9) | Wed, Jul 12, 9:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Wed, Jul 12, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Wed, Jul 12, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Magic Hassle: Rosele, owner of Sergio's Italian Gardens, is concerned about a conflict between her long-time pianist and recently hired magician. She calls on Charles for his expert help. (S6 Ep11) | Tue, Jul 11, 11:30 PM | Food Network | 30 mins |
| Mystery Diners | Life's Not a Beach: When Marty, owner of Barefoot Bob's Beach Bar and Gaming in Las Vegas, hears employee complaints about his new manager, he asks Charles to investigate. (S6 Ep10) | Tue, Jul 11, 11:00 PM | Food Network | 30 mins |
| Mystery Diners | 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) | Tue, Jul 11, 2:30 AM | Food Network | 30 mins |
| Mystery Diners | 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) | Tue, Jul 11, 2:00 AM | Food Network | 30 mins |
| Mystery Diners | Scorpion Sting: After Paul, owner of Nacho Daddy in Las Vegas, notices a problem with the expensive scorpions used in his restaurant's 'scorpion shot', he contacts Charles to investigate. (S6 Ep9) | Mon, Jul 10, 11:30 PM | Food Network | 30 mins |