Two narrators with a grievance
The brothers interrupt each other’s conflicting nightclub recollections.
Supporting source ↗CASE FILE · S07 E05
Frank's Brother
S07 E05Photograph not available
Frank's long-lost brother shows up unexpectedly and spills family secrets.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
Changing decades
Younger versions of Frank and Gino appear in conspicuous wigs and period clothing. The club’s stage and dance floor change with the story.
Supporting source ↗Letters that never arrived
Gino admits intercepting Frank’s letters. New correspondence sends both brothers to the airport.
Supporting source ↗A third choice
Shadynasty chooses Reggie. Airport security then detains him, repeating the pattern that kept the couple apart in the brothers’ story.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Charlie Kelly180 other recorded episodes
Charlie listens as Gino shows the disputed letters.Source ↗
Dee Reynolds179 other recorded episodes
Dee listens to the story from a stool beside Dennis.Source ↗
Dennis Reynolds176 other recorded episodes
Dennis stands behind Frank during the brothers’ argument.Source ↗
Frank Reynolds171 other recorded episodes
Young Frank appears in a dark wig in the kitchen flashback.Source ↗
Gino ReynoldsOnly recorded here so far
Gino tells his version of the family history.Source ↗
ReggieOnly recorded here so far
Reggie returns in different clothing during the later flashback.Source ↗
ShadynastyOnly recorded here so far
Shadynasty sings on the club stage in the flashback.Source ↗
Locations
Airports1 other recorded episode
A Philadelphia airport sign appears behind the reunited group.Source ↗
Paddy’s Pub147 other recorded episodes
The brothers sit side by side at Paddy’s while recounting their past.Source ↗
Shadynasty’sOnly recorded here so far
The flashback shows the club’s live band and singer.Source ↗
Objects
Baseball bats3 other recorded episodes
Gino swings a bat during the earlier confrontation.Source ↗
Love lettersOnly recorded here so far
Gino opens a bundle of letters during the argument.Source ↗
Upright bassOnly recorded here so far
The band includes an upright bass beside the singer.Source ↗
Schemes
Marriage proposals4 other recorded episodes
The flashback cuts to an engagement ring in an open box.Source ↗
Running jokes
Costumes
Frank’s wig6 other recorded episodes
A full dark wig marks Frank’s younger self in the recollection.Source ↗
Music
I Love the NightlifeOnly recorded here so far
I Love the Nightlife accompanies the disco-era club sequence.Source ↗
Miscellaneous
Cocaine5 other recorded episodes
Frank’s Colombia recollection shows him working among cocaine supplies.Source ↗
Flashback stories2 other recorded episodes
The story depicts a younger Gino in a conspicuous dark wig.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S10 E01 Connected through Airports, Baseball bats, Frank Reynolds and 4 more.
S03 E09 Connected through Drum kits, Frank’s wig, Paddy’s Pub and 5 more.
S08 E06 
Connected through Drum kits, Frank’s wig, Paddy’s Pub and 5 more.
S07 E10 Connected through Flashback stories, Paddy’s Pub, Frank Reynolds and 4 more.
SOURCES & NOTES.
Tags document researched occurrences, not every appearance. Read the research notes and attribution.