S12 E1 • Street Vendor Violation

After noticing lackluster dinner sales and a dip in bottle service, Freddy and Abdi of Supperclub in Los Angeles contact Charles Stiles for help. When he sends in Mystery Diners Eliot and Felicia, they discover the staff is using a street vendor to line their pockets.

Première diffusion : 4 novembre 2015

S12 E2 • From Russia Without Love

Before investing his life savings in a new Russian restaurant, an aspiring restaurateur asks Charles Stiles to investigate the Russian chef he plans to go into business with. Mystery Diners Rob and Eva go undercover and discover an elaborate con.

Première diffusion : 11 novembre 2015

S12 E3 • Steals on Wheels

After receiving several customer complaints about her meal delivery service, Cynthia contacts Charles Stiles for help. He sends in Mystery Diners Patrick and Hal, who uncover a bigger problem inside her kitchen.

Première diffusion : 18 novembre 2015

S12 E4 • Secondhand Scam

Luca, owner of Riemma Kitchen Warehouse, asks Charles Stiles for help after his customers find food inside the factory-sealed appliances they just purchased. Mystery Diner Jamie goes undercover and discovers a large-scale operation.

Première diffusion : 25 novembre 2015

S12 E5 • Unhappy Holidays

Nirav, owner of Smokin' Barrel in Hoboken, N.J., contacts Charles Stiles to investigate after noticing a decline in sales every holiday season. Mystery Diners Dennis and Jamie go undercover and discover a suspicious sidewalk solicitor.

Première diffusion : 2 décembre 2015

S12 E6 • Comic Book Caper

Première diffusion : 30 décembre 2015

S12 E7 • Vicious Valets

After hearing complaints about her valet service, Kitty of Breuckelen Colony in Brooklyn contacts Charles Stiles for help. Mystery Diners Daniel and Jamie go undercover and discover an unauthorized car washing service.

Première diffusion : 7 janvier 2016

S12 E8 • Venue Vandals

Concerned about vandalism at his new restaurant location, which is currently under construction, Manny of the Spanish Potato Grill in Brick, N.J. reaches out to Mystery Diners for help. Charles Stiles sends in Megan and Daniel, who learn the restaurant is being sabotaged from the inside

Première diffusion : 13 janvier 2016

S12 E9 • Lobster Looting

Brother-sister owners Richard and Marilyn of Langosta Lounge in Asbury Park, N.J. contact Charles Stiles after noticing a discrepancy in their lobster supply. Mystery Diners Megan and Natale go undercover to discover where the lobsters are going.

Première diffusion : 20 janvier 2016

S12 E10 • Tables Turned

In this special episode of Mystery Diners, Charles Stiles and his undercover team risk it all to bust the boss! For the first time ever, the sting is conducted from inside the restaurant to see if the horrifying accusations against the boss are true.

Première diffusion : 27 janvier 2016

S12 E11 • Hot Meat

After receiving deals that are too good to be true, Tony, the owner of Rivoli's in Tom's River, N.J., believes his new meat purveyor is selling him stolen goods. Charles Stiles sends in Mystery Diner Danny, who has trouble infiltrating the restaurant staff.

Première diffusion : 30 mars 2016