Three dinners, one room
Two pairs and a solitary Dee independently choose Guigino’s. Each expects acknowledgment from the others.
Supporting source ↗CASE FILE · S08 E09

Every member of The Gang has something to celebrate at Guigino's, Philly's finest eatery. But when Mac and Dennis' private dinner is interrupted by an unexpected sighting of Frank and Charlie, the in-fighting begins. Dee turns up at a table for one, and over the course of the night, the "one-ups-manship" soars to new heights.
THE SHORT VERSION · SPOILERS AHEAD
Two pairs and a solitary Dee independently choose Guigino’s. Each expects acknowledgment from the others.
Supporting source ↗Wine, speeches and a round of sambuca become competing demonstrations of status.
Supporting source ↗Dennis’s public tribute is meant for Mac, who initially assumes it concerns the uniformed guest.
Supporting source ↗Dee ties the Waiter’s shoelaces. His fall brings everyone together at his expense.
Supporting source ↗THE EVIDENCE
Charlie sits across from Frank at their dinner table.Source ↗
Dee presents her restaurant offer while dining alone.Source ↗
Dennis stands to address the restaurant with a microphone.Source ↗
Frank studies his notes while wearing his dinner wig.Source ↗
The uniformed diner sits near Dee during the competing tributes.Source ↗
The hostess seats Frank and Charlie.Source ↗
The Waiter stands beside Dennis and Mac’s table.Source ↗
Dennis carries a red fire extinguisher during the confrontation.Source ↗
Dennis holds the restaurant microphone for his performance.Source ↗
Dennis bends toward the unstable chair.Source ↗
The fallen Waiter’s shoes are tied together.Source ↗
Dennis turns a public tribute into a message for Mac.Source ↗
Frank wears a dark wig to dinner.Source ↗
The Waiter wears a black tie over a white shirt.Source ↗
Dennis sings this song in his tribute.Source ↗
Tags document researched occurrences, not every appearance. Read the research notes and attribution.