The One with the Stripper

Chandler finds out that Monica had a bachelorette party, even though they promised not to have bachelor/bachelorette parties, so Monica tries to hire a stripper for Chandler, but accidentally hires a hooker. Rachel takes Phoebe along to dinner with Rachel's dad, because she is afraid her dad will be angry when she tells him she's pregnant. He freaks out when he finds out that Rachel isn't getting married - so she just tells him that Ross won't marry her. (imdb)