An engagement deadline
Frank plans to propose to Roxy. Dee attempts a makeover; Charlie arranges an alternative date.
Supporting source ↗CASE FILE · S07 E01
Frank's Pretty Woman
S07 E01Photograph not available
Frank wants to marry a prostitute and the gang can't talk him out of it. While Dee sets out to burnish the hooker's heart of gold, Charlie takes a different tack: He tries to set Frank up with another woman. Meanwhile, Mac has put on a lot of weight. "I'm cultivating mass," he tells Dennis.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
The denim operation
Frank and Charlie use a cooking pot and utensils to boil a pair of jeans in their apartment.
Supporting source ↗A medical reversal
Both men receive worrying test results. Dennis abandons his rigid eating rules.
Supporting source ↗The proposal ends abruptly
Roxy collapses during the proposal. The gang carries her into the hallway.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Charlie Kelly180 other recorded episodes
Charlie wears a cowboy hat and bolo tie outside his date’s door.Source ↗
Dee Reynolds179 other recorded episodes
Dee accompanies Roxy through the clothing store.Source ↗
Dennis Reynolds176 other recorded episodes
Dennis arrives in a loose patterned shirt beside Mac.Source ↗
Frank Reynolds171 other recorded episodes
Frank lifts wet jeans from a large metal pot.Source ↗
The McNabb impersonator2 other recorded episodes
The returning impersonator claims to be Tiger Woods, then Don Cheadle.Source ↗
Locations
Charlie’s apartment48 other recorded episodes
The denim-boiling operation takes place in Charlie and Frank’s apartment.Source ↗
Dee’s apartment29 other recorded episodes
Roxy reclines on Dee’s sofa during the makeover visit.Source ↗
Paddy’s Pub147 other recorded episodes
The gang gathers around the bar as Mac carries a bulging trash bag.Source ↗
Objects
Blood capsulesOnly recorded here so far
Charlie explains that swallowed theatrical blood capsules ruined the date.Source ↗
Crack cocaine3 other recorded episodes
Dee admits using Roxy’s crack during their drive.Source ↗
Food & drinks
ChimichangasOnly recorded here so far
Mac and Dennis share Mac’s supply of chimichangas.Source ↗
Schemes
Dating deception11 other recorded episodes
Charlie poses as a rich man to introduce his date to chauffeur-disguised Frank.Source ↗
Marriage proposals4 other recorded episodes
Frank kneels and presents Roxy with a ring.Source ↗
The Pretty Woman makeoverOnly recorded here so far
Dee proposes changing Roxy’s life through a Pretty Woman-style makeover.Source ↗
Running jokes
Boiled denimOnly recorded here so far
A pair of jeans hangs over the steaming cooking pot.Source ↗
Cultivating mass3 other recorded episodes
Mac defends his weight gain as muscle-building.Source ↗
Costumes
Hospital gown7 other recorded episodes
Mac and Dennis wear matching patterned examination gowns.Source ↗
Hoss BonaventureOnly recorded here so far
Charlie introduces himself as millionaire Hoss Bonaventure.Source ↗
Tropical shirts10 other recorded episodes
Mac and Dennis wear loose tropical-patterned shirts.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S02 E03 Connected through Crack cocaine, Limousine, Dee’s apartment and 6 more.
S15 E02 
Connected through The McNabb impersonator, Tropical shirts, Paddy’s Pub and 5 more.
S03 E02 Connected through The McNabb impersonator, Paddy’s Pub, Frank Reynolds and 4 more.
S11 E02 Connected through Crack cocaine, Dee’s apartment, Charlie’s apartment and 6 more.
SOURCES & NOTES.
Tags document researched occurrences, not every appearance. Read the research notes and attribution.