An irresistible mystery
Mac and Dennis abandon Dee’s evening plans to investigate repeated messes in Charlie and Frank’s bed.
Supporting source ↗CASE FILE · S04 E07
Who Pooped the Bed?
S04 E07Photograph not available
Frank and Charlie find that someone has soiled their bed, and Mac and Dennis join them as they attempt to catch the culprit. Meanwhile, Dee leads Artemis and the waitress on a "Sex and the City"-style night on the town.
THE SHORT VERSION · SPOILERS AHEAD
INSIDE THE CASE.
A very limited expert
The person willing to examine the sample is an economics student; the gang mistakes enthusiasm for scientific expertise.
Supporting source ↗Girls’ night unravels
Dee recruits Artemis and the Waitress, but drinks, expensive shoes and an art-gallery visit fail to deliver her sophisticated evening.
Supporting source ↗Theory versus confession
Artemis offers elaborate reconstructions, shown as imagined scenes. Frank interrupts to claim responsibility for every incident because he finds it funny.
Supporting source ↗THE EVIDENCE
THINGS IN THIS EPISODE.
Characters
Charlie Kelly182 other recorded episodes
Charlie demonstrates the sleeping arrangement on the shared bed.Source ↗
Dee Reynolds181 other recorded episodes
Dee tries on shoes during her shopping trip.Source ↗
Dennis Reynolds178 other recorded episodes
Dennis uses a flashlight during the overnight observation.Source ↗
Frank Reynolds173 other recorded episodes
Frank joins Charlie in the bed demonstration.Source ↗
The student examines the evidence under a bright task lamp.Source ↗
The Waitress38 other recorded episodes
The Waitress joins Dee and Artemis at the martini bar.Source ↗
Locations
Art galleries1 other recorded episode
Dee visits a gallery after leaving the others.Source ↗
A neon Bleu Martini sign identifies the evening venue.Source ↗
Charlie’s apartment49 other recorded episodes
The disputed bed belongs to Charlie and Frank.Source ↗
Paddy’s Pub148 other recorded episodes
The pub becomes the setting for the final reconstruction.Source ↗
Dee tries on heels in a shop lined with shoe displays.Source ↗
Objects
Coffee mugs5 other recorded episodes
White ceramic mugs stand on the table during Artemis’s explanation.Source ↗
Conspiracy boards1 other recorded episode
A wall of photographs, papers and red string accompanies Artemis’s presentation.Source ↗
Eyeglasses15 other recorded episodes
Frank wears his glasses during the bedroom argument.Source ↗
Flashlights2 other recorded episodes
The observers illuminate the bed at night.Source ↗
High heels1 other recorded episode
Dee struggles into a pair of dress shoes.Source ↗
Dee holds Charlie’s notebook while negotiating with the Waitress.Source ↗
Food & drinks
Dee orders Cosmos for the group despite the Waitress’s objection.Source ↗
FOLLOW THE THREAD
CONNECTED EPISODES.
S04 E10 Connected through Conspiracy boards, Lamps, Paddy’s Pub and 5 more.
S03 E04 Connected through Underwear, Paddy’s Pub, Frank Reynolds and 4 more.
S11 E04 
Connected through Art galleries, Paddy’s Pub, Frank Reynolds and 4 more.
S13 E06 
Connected through High heels, Paddy’s Pub, Frank Reynolds and 4 more.
SOURCES & NOTES.
- Episode reference · visual inspection of S04E07 ↗
- Springfield! Springfield! · episode dialogue ↗
- Episode frame · visual inspection of S04E07 ↗
Tags document researched occurrences, not every appearance. Read the research notes and attribution.