The manager’s office
With Charlie temporarily in charge, his office becomes the center of the action. Playing cards, a desk lamp and carefully staged conversations replace actual management.
Supporting source ↗CASE FILE · S02 E04

Barbara sleeps with Mac to arouse Frank's jealousy, so Dennis decides to seduce Mac's mom as payback. And Frank's decision to put Charlie in charge at the bar prompts an orgy of backstabbing and double-dealing, with sex as the weapon of choice.
THE SHORT VERSION · SPOILERS AHEAD
With Charlie temporarily in charge, his office becomes the center of the action. Playing cards, a desk lamp and carefully staged conversations replace actual management.
Supporting source ↗Dennis threatens to sleep with the Waitress unless Charlie releases him from cleaning duties. Charlie recruits Dee into a counterplot.
Supporting source ↗Mac sleeps with Barbara. Charlie steers Dennis toward Mrs. Mac, then Bonnie, while Dee ensures the Waitress sees enough to feel betrayed.
Supporting source ↗Charlie expects a date with the Waitress. She instead arrives with Frank and announces their encounter, undoing Charlie’s elaborate arrangement.
Supporting source ↗THE EVIDENCE
Angie joins Frank for a restaurant date.Source ↗
Barbara wears a green robe after her encounter with Mac.Source ↗
Bonnie welcomes Dennis into her home.Source ↗
Charlie builds a house of cards at his new office desk.Source ↗
Dee wears orange cleaning gloves in the bar bathroom.Source ↗
Dennis tries to charm Mrs. Mac on her porch.Source ↗
Frank wears his toupee at dinner with Angie.Source ↗
Jenny introduces herself at Frank’s table.Source ↗
Mrs. Mac sits on her porch while Dennis tries to impress her.Source ↗
The Waitress arrives at Paddy’s with Frank at the end.Source ↗
Bonnie greets Dennis in the doorway of her home.Source ↗
Mrs. Mac sits with Dennis on her furnished porch.Source ↗
Frank and Mac stand among dancers under colored club lights.Source ↗
Charlie stages an ominous meeting in the darkened office.Source ↗
Mac speaks with Barbara at the entrance to the Reynolds house.Source ↗
Dennis and the Waitress talk outside her apartment.Source ↗
Mrs. Mac smokes during Dennis’s visit.Source ↗
The Waitress carries a colorful bouquet when she arrives for her date.Source ↗
A desk lamp lights Charlie’s face during the darkened meeting.Source ↗
A cream-colored corded telephone sits beside Charlie’s keyboard and card tower.Source ↗
A small house of pink-backed cards stands on Charlie’s desk.Source ↗
Dennis brings Bonnie a box of chocolates.Source ↗
Mrs. Mac holds a bowl of potato chips on her lap.Source ↗
Dennis uses his date with the Waitress to pressure Charlie over work assignments.Source ↗
Dee brings the Waitress into Charlie’s plan to redirect Dennis’s romantic attention.Source ↗
Dennis and Dee try to escape the dirty jobs Charlie now assigns them.Source ↗
Frank’s brown toupee accompanies his return to dating.Source ↗
Dee’s long orange gloves are part of her bathroom-cleaning outfit.Source ↗
Angie discusses her late husband Carl; he does not appear.Source ↗
Tags document researched occurrences, not every appearance. Read the research notes and attribution.