10x11 "The One Where the Stripper Cries"

Monica and Rachel throw Phoebe a bachelorette party but Phoebe is disappointed there is no stripper. Rachel and Monica hire a male stripper (Danny DeVito) at the last minute; but when he gets there, Phoebe insults him. He begins to cry. Ross and Chandler attend their college reunion and remember the girl they made a pact not to date. Ross makes his move but discovers Chandler used to make out with her all the time. Chandler informs Ross that he broke the pact as well but with a different girl (Kimberley Davies) at a party. At the same party, Monica and Rachel were visiting and Chandler made-out with Rachel to get back at Ross. Ross is upset because this is also the night of the first kiss between him and Rachel but later finds out he actually kissed Monica. Joey is a guest star on the television game show Pyramid and does horribly. Joey nearly redeems himself in the final round but messes up on the final question.
Note: Originally aired as a 42-minute episode