A diversion becomes a disaster
Mac and Dennis send Dee to the factory to get privacy. Her accidents disrupt the fish supply and the Wi-Fi they borrow.
Supporting source ↗CASE FILE · S10 E05
The Gang Spies Like U.S.
S10 E05Photograph not available
After Dennis and Mac enlist Dee to spy on the fish factory across the street, Charlie and Frank grow suspicious and decide to do some spying of their own.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
Two meanings, one proposal
Charlie and Frank mistake browsing history for a dessert business idea. The ensuing sales pitch exposes the misunderstanding.
Supporting source ↗Flowers with a second purpose
The apology bouquet doubles as surveillance equipment, with Frank watching its feed elsewhere.
Supporting source ↗Costume espionage
Frank and Charlie adopt conspicuous hats and coats for supposedly secret restaurant conversations.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Charlie Kelly180 other recorded episodes
Charlie plants flowers in Dee’s kitchen.Source ↗
Dee Reynolds179 other recorded episodes
Dee works on the fish-processing line.Source ↗
Dennis Reynolds176 other recorded episodes
Dennis examines the laptop with Mac.Source ↗
Frank Reynolds171 other recorded episodes
Frank watches the transmitted picture from his monitoring station.Source ↗
The fish-factory managerOnly recorded here so far
The manager watches Frank’s sales presentation.Source ↗
The Waiter4 other recorded episodes
The waiter deals with the gang’s demands at Guigino’s.Source ↗
Locations
Dee’s apartment29 other recorded episodes
The flowers conceal surveillance inside Dee’s apartment.Source ↗
Paddy’s Pub147 other recorded episodes
Charlie and Frank discuss their suspicions at the bar.Source ↗
The fish-processing plantOnly recorded here so far
Rows of workers process fish on conveyor tables.Source ↗
Objects
Conveyor belts1 other recorded episode
Dee stands beside the processing conveyor before her accident.Source ↗
Surveillance cameras5 other recorded episodes
A camera hidden in Charlie’s flowers transmits to Frank’s monitor.Source ↗
Food & drinks
Cream piesOnly recorded here so far
Dessert footage features in Frank’s business pitch.Source ↗
Schemes
Shoelace prank1 other recorded episode
The men discuss repeating the waiter’s shoelace humiliation.Source ↗
Costumes
Hospital gown7 other recorded episodes
Dee wears a gown after her factory accidents.Source ↗
Rubber gloves8 other recorded episodes
Yellow gloves accompany the workers’ protective clothing.Source ↗
Trench coats1 other recorded episode
Frank wears a trench coat for the restaurant rendezvous.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S08 E09 Connected through Shoelace prank, Spaghetti, Guigino’s and 6 more.
S16 E04 
Connected through Earpieces, Laptops, Paddy’s Pub and 5 more.
S02 E08 Connected through Trench coats, Paddy’s Pub, Frank Reynolds and 4 more.
S03 E08 Connected through Conveyor belts, Paddy’s Pub, Frank Reynolds and 4 more.
SOURCES & NOTES.
Tags document researched occurrences, not every appearance. Read the research notes and attribution.