If you are looking for a "good piece" or the standout episode of this season, critics and fans almost universally point to:
It features some of the show's most iconic physical comedy and dialogue, culminating in the first time Monica and Chandler say "I love you". It is frequently cited as the best episode of the entire series . Other Essential Season 5 Highlights Friends - Season 5 Episo...
Phoebe discovers Monica and Chandler’s relationship after seeing them through the window of Ross's new apartment ("MY EYES! MY EYES!"). This leads to a high-stakes game of "chicken" where Phoebe and Rachel try to get them to confess by having Phoebe flirt aggressively with Chandler. If you are looking for a "good piece"