The BEST episodes of Mystery Diners season 9

Every episode of Mystery Diners season 9, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Mystery Diners season 9!

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.

Last Updated: 7/20/2025Network: Food NetworkStatus: Ended

7.84

19 votes

#1 - Too Many Tourists

Season 9 - Episode 9 - Aired 4/1/2015

The owner of Marigny Brasserie in New Orleans notices an influx of rowdy tourists at his bar for locals.

Watch Now:Apple TV

7.82

17 votes

#2 - Mystery Wedding

Season 9 - Episode 7 - Aired 3/18/2015

The owners of Moviesets, in New Orleans, are concerned about theft at their prop house-turned-event center.

Watch Now:Amazon Apple TV

7.77

13 votes

#3 - Cabin Fever

Season 9 - Episode 11 - Aired 4/15/2015

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.

Watch Now:Amazon Apple TV

7.72

18 votes

#4 - Train Robbery

Season 9 - Episode 12 - Aired 4/22/2015

Missing supplies and unauthorized passengers are a concern for the owner of the Fillmore and Western Railway in California.

Watch Now:Amazon Apple TV

7.69

16 votes

#5 - Very Bad Bosses

Season 9 - Episode 3 - Aired 2/18/2015

The wait staff of a California restaurant contacts Charles to do a reverse sting on their employer.

Watch Now:Amazon Apple TV

7.57

14 votes

#6 - Dusting for Prints

Season 9 - Episode 13 - Aired 4/29/2015

Owner suspects one of her managers after noticing over $4,000 missing from her office safe.

Watch Now:Amazon Apple TV

7.56

16 votes

#7 - Repeat Offender

Season 9 - Episode 8 - Aired 3/25/2015

Owner is concerned about an unhealthy competition between her two New Orleans restaurants, Toast and Tartine.

Watch Now:Amazon Apple TV

7.36

14 votes

#8 - Barrel of Monkeys

Season 9 - Episode 4 - Aired 2/25/2015

Missing wine barrels are investigated by Charles and his team during a visit to Doffo Winery in Temecula, Cal.

Watch Now:Apple TV

7.31

13 votes

#9 - The Spoils of Victory

Season 9 - Episode 10 - Aired 4/8/2015

The owner of Victory in New Orleans begins hearing rumors that his restaurant's signature cocktail is being served at other bars.

Watch Now:Apple TV

7.29

21 votes

#10 - Deli Drama

Season 9 - Episode 2 - Aired 2/11/2015

Charles and his team investigate Lenny's Deli in Los Angeles after the owner expresses concerns that his new baker is taking artistic license with customer cake orders. However, it's discovered that there are bigger problems hurting this business.

Watch Now:Apple TV

7.20

15 votes

#11 - Private Chef Sting

Season 9 - Episode 6 - Aired 3/11/2015

Charles has a repeat customer when the owner of Capo's Speakeasy in Las Vegas, who the team helped in the past, requests a sting operation on his personal chef.

Watch Now:Apple TV

7.14

22 votes

#12 - Red Hot Mess

Season 9 - Episode 5 - Aired 3/4/2015

Owners hear rumors that their restaurant is open on the one day it's supposed to be closed.

Watch Now:Apple TV

6.68

19 votes

#13 - Bowling for Dollars

Season 9 - Episode 1 - Aired 2/4/2015

In the Season 9 premiere, the owner of Corbin Bowl in Tarzana, Cal., contacts Charles for help after hearing complaints about rowdy customers. An investigation reveals that employees are condoning reckless behavior.

Watch Now:Apple TV