An old rivalry outgrows its bar
The gang returns to a renovated Molly’s. Its noisy arrival clashes with the dining room’s seated customers.
Supporting source ↗CASE FILE · S05 E12
The Gang Reignites the Rivalry
S05 E12Photograph not available
The gang reenters Philadelphia's flip-cup tournament (the Flipadelphia) after being banned for 10 years. Trouble is, their old flip-cup rivals have grown up and moved on.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
A replacement rivalry
Dennis’s alumni visit ends in humiliation. Revenge shifts from the old bar rivals to the fraternity members.
Supporting source ↗Two very different preparations
Dee practices alone beside a row of cups. Mac and Charlie return from the party still covered in fluorescent paint.
Supporting source ↗Losing the game, repeating the trick
The gang loses at flip cup but poisons the winners’ beer. Dee has also drunk it and becomes ill.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Charlie Kelly180 other recorded episodes
Charlie wears fluorescent paint across his face and bare torso.Source ↗
Dee Reynolds179 other recorded episodes
Dee practices flipping a row of cups at Paddy’s.Source ↗
Dennis Reynolds176 other recorded episodes
Dennis points out a photograph on the fraternity wall.Source ↗
Frank Reynolds171 other recorded episodes
Frank models tight dark jeans at the bar.Source ↗
Locations
Delta Omega LambdaOnly recorded here so far
Dennis visits the fraternity house and its alumni photographs.Source ↗
Molly’sOnly recorded here so far
The gang arrives in a dining area filled with seated customers.Source ↗
Paddy’s Pub147 other recorded episodes
The gang sets up cups and a pitcher on a bar table.Source ↗
Objects
Red party cups5 other recorded episodes
Red plastic cups surround the pitcher on the practice table.Source ↗
Shower curtainsOnly recorded here so far
Frank cuts at the shower curtain in Art’s bathroom.Source ↗
Schemes
Cheating at games2 other recorded episodes
Their fallback after losing the game is the poisoned beer.Source ↗
Poisoning opponents2 other recorded episodes
The gang admits tainting its opponents’ beer.Source ↗
Tax sabotageOnly recorded here so far
Frank works on Art’s taxes with the intention of triggering an audit.Source ↗
Costumes
Body paint1 other recorded episode
Fluorescent colors cover the partygoers’ faces and torsos.Source ↗
Face paint2 other recorded episodes
Charlie and Mac leave their faces covered in bright paint.Source ↗
Paddy’s T-shirts5 other recorded episodes
The team wears matching Flipadelphia shirts bearing Paddy’s Pub beneath the graphic.Source ↗
Skinny jeansOnly recorded here so far
Frank wears tightly fitted jeans with his red polo shirt.Source ↗
Miscellaneous
FlipadelphiaOnly recorded here so far
The gang faces the fraternity team across a table lined with cups.Source ↗
Good Will Hunting1 other recorded episode
Charlie attempts a Good Will Hunting-inspired put-down at the party.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S10 E04 Connected through Body paint, Paddy’s Pub, Frank Reynolds and 4 more.
S08 E05 Connected through Good Will Hunting, Frank Reynolds, Dennis Reynolds and 3 more.
S05 E10 
Connected through Face paint, Paddy’s Pub, Frank Reynolds and 4 more.
S06 E09 Connected through Face paint, Paddy’s Pub, Frank Reynolds and 4 more.
SOURCES & NOTES.
Tags document researched occurrences, not every appearance. Read the research notes and attribution.