At Monica's Thanksgiving dinner, Chandler discovers that her parents have disliked him for years — the result of Ross blaming him for a college pot incident. While Chandler attempts to win them over and fails, Rachel unknowingly serves a trifle made from two stuck-together cookbook pages, resulting in a dessert layered with beef and custard. Ross and Joey cover up the mistake to escape early for a party, Phoebe manages an unexpected crush on Jack Geller, and a forced confession from Ross sets off a rapid chain of buried secrets landing on the table all at once.

By the end of the episode, Jack and Judy know about Monica and Chandler's relationship, Ross's departure from the museum, and his Vegas marriage — closing out a long era of strategic omissions. The episode is a structural showcase of how one small lie compounds over time, and how a s ...