A fall into old habits
A head injury leaves Frank believing it is 2006; Charlie mistakes the window for a time portal.
Supporting source ↗CASE FILE · S11 E02
Frank Falls Out the Window
S11 E02Photograph not available
Frank falls out the window causing him to think it's 2006, the gang approaches it as a do-over and attempts to fix their past mistakes.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
The second chance repeats
Dennis and Dee pursue Frank’s money but return to crack and welfare applications.
Supporting source ↗A familiar roommate
Frank again gravitates toward Charlie, whose interview rewards enthusiasm for eating cat food.
Supporting source ↗The wrong date
Rum ham restores Frank’s memory. His generous check fails because he dated it 2006.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Charlie Kelly180 other recorded episodes
Charlie records answers during the roommate interviews.Source ↗
Dee Reynolds179 other recorded episodes
Dee wears a bicycle helmet at the welfare office.Source ↗
Dennis Reynolds176 other recorded episodes
Dennis fills out paperwork beside Dee.Source ↗
Frank Reynolds171 other recorded episodes
Frank tastes the decorated rum ham.Source ↗
Lauren KerwinOnly recorded here so far
Lauren meets Frank at the financial office.Source ↗
The bank tellerOnly recorded here so far
The teller explains why Frank’s check cannot be cashed.Source ↗
The Waitress38 other recorded episodes
The Waitress arrives at the roommate interview.Source ↗
The welfare clerkOnly recorded here so far
The clerk reviews the twins’ application.Source ↗
Locations
Charlie’s apartment48 other recorded episodes
The kitchen counter holds the rum ham.Source ↗
Dee’s apartment29 other recorded episodes
Empty bottles surround the twins after their binge.Source ↗
Paddy’s Pub147 other recorded episodes
Frank returns to the gang’s usual meeting place.Source ↗
Social services office1 other recorded episode
Mac and Charlie enter the welfare waiting room.Source ↗
Strip clubs5 other recorded episodes
Dancers perform while Mac and Charlie visit the club.Source ↗
Objects
Crack cocaine3 other recorded episodes
The twins realize they resumed smoking crack.Source ↗
The donkey-brains certificate1 other recorded episode
Dee presents the altered certificate to the clerk.Source ↗
Food & drinks
Grilled Charlie1 other recorded episode
Charlie prepares a rum-ham variation of his sandwich.Source ↗
Music
Gone Till NovemberOnly recorded here so far
The twins sing the song during their charity scheme.Source ↗
Miscellaneous
Falls from windowsOnly recorded here so far
Frank falls from the apartment window.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S02 E03 Connected through Social services office, Crack cocaine, Dee’s apartment and 6 more.
S02 E02 
Connected through Grilled Charlie, Charlie’s apartment, Paddy’s Pub and 5 more.
S08 E10 Connected through The donkey-brains certificate, Paddy’s Pub, Frank Reynolds and 4 more.
S10 E06 
Connected through Rum ham, Dee’s apartment, Paddy’s Pub and 5 more.
SOURCES & NOTES.
Tags document researched occurrences, not every appearance. Read the research notes and attribution.