The WORST episodes of Mystery Diners

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

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: 4/24/2025Network: Food NetworkStatus: Ended
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#1 - Memorabilia Mayhem

Season 8 - Episode 9 - Aired 12/1/2014

A dip in memorabilia sales at the Rock Island Cafe in Honolulu worries the owner, who contacts Charles to investigate whether his staff is to blame.

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#2 - Poaching Profits

Season 8 - Episode 2 - Aired 10/20/2014

The owner of Cookin' With Lenny Smokehouse in Los Angeles, fears that someone on his staff is using restaurant supplies to operate a competing catering company.

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#3 - Missing Memorabilia

Season 8 - Episode 3 - Aired 10/20/2014

The owners of Fenders Moto Cafe and Brew Pub in Portland, Ore., notice some of their valuable motorcycle memorabilia has gone missing.

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#4 - Cafe Coup

Season 7 - Episode 12 - Aired 10/6/2014

After purchasing Cafe Aldente in Studio City, Calif., and retaining most of the previous owner's staff, the new owners believe their employees are still practicing old policies. Charles sends in Mystery Diners Annalisa and Kiel to find out if anyone is ignoring the new rules.

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#5 - Robbed Kabobs

Season 8 - Episode 4 - Aired 10/27/2014

After noticing a discrepancy in supplies, Ghaith and Tiffany, owners of Dar Salam in Portland, Ore., fear a new Iraqi food cart that's competing with their restaurant is related to the problem. Charles sends in Mystery Diners Jamie and Brianna to investigate.

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#6 - Fyre on the Beach

Season 8 - Episode 12 - Aired 12/29/2014

After noticing discrepancies in sales, Allen, owner of ShoreFyre in Honolulu, contacts Charles to investigate. Mystery Diners Jordan and David go undercover and discover a related problem with the surf shop next door.

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#7 - Thanksgiving Thievery

Season 8 - Episode 6 - Aired 11/10/2014

The owner of Tavern on Main outside of Los Angeles, fears someone on his staff is stealing donations from his restaurant's annual Thanksgiving Food Drive.

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#8 - Food Cart Catastrophe

Season 8 - Episode 7 - Aired 11/17/2014

Rod and Linda, owners of a la carts Food Pavilion in Portland, Ore., hear complaints from their tenants about the new onsite manager so mystery diners are sent in to investigate.

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#9 - Local Celebrities

Season 8 - Episode 8 - Aired 11/24/2014

A staff may be getting carried away with the digital shorts they produce to promote a restaurant and help is sent in.

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#10 - Daddy's Girl

Season 7 - Episode 13 - Aired 10/13/2014

When Joe and Fran, owners of Geppino's Sicilian Kitchen in Moorpark, Calif., hear customer complaints about stolen items, Joe suspects their daughter's new boyfriend is to blame. Charles sends in Mystery Diners Shelby and Destiney to identify the real thief.

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#11 - Deep Sea Delivery

Season 8 - Episode 10 - Aired 12/8/2014

The owner of Cha Cha Cha Salsaria in Honolulu asks Charles to investigate rumors of an unauthorized boat delivery service.

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#12 - Hawaiian Club Crashers

Season 8 - Episode 11 - Aired 12/15/2014

Charles and the team go undercover at the Hawaii Yacht Club in Honolulu to get to the bottom of complaints about non-members being given access to exclusive dinner events.

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#13 - Behind the Eight Ball

Season 8 - Episode 5 - Aired 11/3/2014

Kent, owner of Uptown Billiards in Portland, Ore., believes the social media expert he hired to promote his restaurant isn't doing an adequate job. Charles sends in Mystery Diner Amber and discovers the customers are being hustled.

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#14 - Bad Credit

Season 8 - Episode 13 - Aired 1/7/2015

When chef Chai, owner of his namesake restaurant in Honolulu, notices multiple ticket voids, he contacts Charles Stiles for help. Mystery diners go undercover to see if his staff are making honest mistakes or committing foul play.

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#15 - 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.

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#16 - 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.

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#17 - 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.

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#18 - 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.

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#19 - Trademark Trouble

Season 7 - Episode 5 - Aired 8/27/2014

After already successfully battling one fast food chain over the rights to his signature sandwich, Damien, the owner of Devine Pastabilities in San Diego, now fears someone from within his organization is trying to steal his culinary creation. Charles sends in Mystery Diners Amanda and Andy to investigate.

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#20 - Life's not a Beach

Season 6 - Episode 10 - Aired 6/9/2014

When Marty, owner of Barefoot Bob's Beach Bar & Gaming in Las Vegas, hears employee complaints about his new manager, he asks Charles to investigate. Mystery Diners Hollie and Andy go undercover to find the source of the problem.

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#21 - Magic Hassle

Season 6 - Episode 11 - Aired 6/16/2014

Rosele, owner of Sergio's Italian Gardens in Las Vegas, is concerned about a conflict between her longtime pianist and recently hired magician. Charles sends in Mystery Diners Hollie and John to find out which performer needs to go.

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#22 - Heavy Lifting

Season 6 - Episode 12 - Aired 6/23/2014

After experiencing discrepancies with their supply of expensive protein supplements, Larissa and Andrew, owners of Protein House in Las Vegas, contact Charles to investigate. Mystery Diners Andy and Kelli go undercover and discover the real cause of the problem.

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#23 - The Italian Job

Season 6 - Episode 13 - Aired 6/30/2014

After a feud between his pizzeria and bakery threatens his business, John, owner of Metro Pizza in Las Vegas, contacts Charles for help. Mystery Diners Andy and Arielle go undercover and discover the source of the tension.

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#24 - Going to the Dogs

Season 7 - Episode 1 - Aired 7/28/2014

After discovering discrepancies in their chicken and beef supply, which they serve to both their human and canine customers, the co-owners of Shades Oceanfront Bistro in San Diego contact Charles for help. Mystery Diners Corinne and Seth go undercover and discover one of the employees is running their own side business.

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#25 - Cocktail Fail

Season 7 - Episode 2 - Aired 8/13/2014

Fearing that a rivalry between her two flair bartenders is the cause of tension and missing alcohol, Sarra, owner of The Compass in Carlsbad, Calif., asks Charles to investigate. Mystery Diners Amanda and Chelsea go undercover to find out who's the real culprit.

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