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Season guide

Mystery Diners: Season 4

13 episodes Premiered Jul 17, 2013 Updated Oct 6, 2026
Previously on Mystery Diners

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Mystery Diners Season 3.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

23%
77%
Mytharc (3): Crucial lore & season climaxes
Core (10): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Chef's Choice

Jul 17, 2013 · 21 min

Patrick, the owner of Buster's Beach House in Long Beach, California is concerned about his bartender named K.P. and the large loss of alcohol. The Mystery Diners not only confirm

S4·E2 Core

Naked Lunch

Jul 24, 2013 · 21 min

After losing several sushi models, Bruce, the owner of Lotus on Flower in Los Angeles, fears that one of his best customers is behaving inappropriately during the restaurant's "nak

S4·E3 Core

Strange Brew

Jul 31, 2013 · 21 min

Michael, the owner of Newport Beach Brewing Company in Newport Beach, California, asks Charles to investigate his onsite brewmaster who is suspected of running a side business. The

S4·E4 Core

Employee of the Month

Aug 7, 2013 · 21 min

The owner of Colombo's Italian Steakhouse in Eagle Rock, California, fears an Employee of the Month competition is the reason for a lack of staff harmony. The team proves this beca

S4·E5 Core

While the Cat's Away...

Aug 14, 2013 · 21 min

After nearly losing his life during a paragliding accident in Brazil, the owner of Gauchos Village in Glendale, California is finding discrepancies in his revenue and inventory sin

S4·E6 Core

Too Many Cooks

Aug 21, 2013 · 21 min

The owner of Bistro Bordeaux in Evanston, Illinois investigates several complaints about his new executive chef. The Mystery Diners discover that the new executive chef is not resp

S4·E7 Core

Wine on Wheels

Aug 28, 2013 · 21 min

The owners of Big and Little's Restaurant in Chicago, Illinois respond to rumors that employees are illegally selling alcohol to customers at their restaurant. The Mystery Diners d

S4·E8 Core

Lactose Intolerant

Sep 4, 2013 · 21 min

The owner of Cheesie's Pub and Grill in Chicago, Illinois is concerned about cheating with his grilled-cheese-eating contest (too many petite women among the winners) and cost of h

S4·E9 Core

Deliver Us From Evil

Sep 11, 2013 · 21 min

The owner of Bella Luna Café in Chicago, Illinois contacts Charles Stiles because he is hearing customer complaints with his delivery service. The Mystery Diners not only point to

S4·E10 Core

Mommy Dearest

Sep 18, 2013 · 21 min

The owner of Gigi's Restaurant in Philadelphia, Pennsylvania is concerned with rumors about his mother and co-owner discriminating younger customers. The Mystery Diners go undercov

S4·E11 Core

Security Issues

Sep 25, 2013 · 21 min

The owners of Del Rossi's Cheesesteaks Co. in Philadelphia, Pennsylvania has been hearing complaints about their recently-hired security guard they called "Fury" (who was a family

S4·E12 Mytharc

What a Drag

Oct 2, 2013 · 21 min

Bob, the owner of Venture Inn in Philadelphia, Pennsylvania, is hearing complaints from both his regular and cross-dressing customers that the weekly quiz night is rigged. He suspe

S4·E13 Mytharc

Three's a Crowd

Oct 9, 2013 · 21 min

Marvin, the owner of Falls Taproom in Philadelphia, contacts Charles Stiles after hearing rumors of a feud breaking out between his girlfriend/manager and his best friend. The Myst

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