A rule written for cookies
Dennis created the movement to stop Mac eating his Thin Mints. The other gang members redirect it toward their own wants.
Supporting source ↗CASE FILE · S10 E10
Ass Kickers United: Mac and Charlie Join a Cult
S10 E10Photograph not available
"Asskickers" isn't just a hot new way to work out; it's a way of life...and maybe a cult.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
Repairs do not last
Charlie gets the apartment repaired before the competing leaders push the gathering into another fire.
Supporting source ↗Authority needs a costume
Rex’s cloak and physique give the fabricated Master a visible presence beside Charlie’s bed.
Supporting source ↗Uniforms at the final gathering
White shirts, khaki trousers and yellow forehead stickers make the recruits look alike for the finale.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Bonnie Kelly18 other recorded episodes
Bonnie occupies the bathtub with Mrs. Mac.Source ↗
Charlie Kelly180 other recorded episodes
Charlie welcomes the group to the repaired apartment.Source ↗
Dee Reynolds179 other recorded episodes
Dee administers a supposed personality test.Source ↗
Dennis Reynolds176 other recorded episodes
Dennis introduces another instruction from the supposed hierarchy.Source ↗
Frank Reynolds171 other recorded episodes
Frank tries to recruit Cindy into his bath routine.Source ↗
Locations
Charlie’s apartment48 other recorded episodes
Frank and Dee stage the vision beside Charlie’s bed.Source ↗
Dee’s apartment29 other recorded episodes
The group’s routine crowds Dee’s living room.Source ↗
Mac and Dennis’s apartment20 other recorded episodes
The gathering returns to the newly repaired apartment.Source ↗
Paddy’s Pub147 other recorded episodes
The workout group practices at the bar.Source ↗
Objects
Deer-antler sprayOnly recorded here so far
The recruits discuss sharing their supplement.Source ↗
Sun stickersOnly recorded here so far
A yellow sticker sits on Mac’s forehead.Source ↗
The Master’s newsletterOnly recorded here so far
Dennis reads the invented newsletter.Source ↗
The stress meter1 other recorded episode
The group handles the test device’s cylinders.Source ↗
Food & drinks
Fight Milk3 other recorded episodes
A labeled Fight Milk jug stands beside the television.Source ↗
Thin MintsOnly recorded here so far
Mac eats Dennis’s forbidden cookies during his break.Source ↗
Schemes
Apartment repairsOnly recorded here so far
A finished wall replaces the apartment’s earlier damage.Source ↗
Ass Kickers UnitedOnly recorded here so far
Mac announces new rules and advancement within the movement.Source ↗
Costumes
The Master’s robesOnly recorded here so far
Rex opens his dark hooded cloak.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S09 E04 
Connected through The stress meter, Mac and Dennis’s apartment, Charlie’s apartment and 6 more.
S03 E10 Connected through Cookies, Mrs. Mac, Paddy’s Pub and 5 more.
S11 E04 Connected through Cindy, Dee’s apartment, Paddy’s Pub and 5 more.
S08 E07 
Connected through Fight Milk, Paddy’s Pub, Frank Reynolds and 4 more.
SOURCES & NOTES.
Tags document researched occurrences, not every appearance. Read the research notes and attribution.