Mystery Diners - Season 11 - Eps 1: Street Vendor Violation
Lackluster dinner sales and a dip in bottle service concern the owners of "Supperclub" in Los Angeles, who, after contacting Charles and his team for help, become aware that some of their staff are using a street vendor to line their pockets.
About Mystery Diners

Title: Mystery Diners
First Air Date: 2012-05-20
Last Air Date: 2016-04-20
Status: Returning Series
Rating: 1.5/10 (from 11 votes)
Language: EN
Seasons: 11
Total Episodes: 136
Network: Food Network
Genres: Reality
Production Companies: T Group Productions
Synopsis
What happens in the food world when a bad employee starts to take down an otherwise thriving establishment or when restaurant owners suspect someone of not doing their job appropriately? They call in the Mystery Diners. These undercover operatives go into restaurants, bars and food service establishments with hidden cameras to find out what's really going on when the boss isn't around.