Friends Season 3 Episode 25 : The One At The Beach
The gang goes to the beach. In search of a woman who was friends with her mom, Phoebe meets the woman (who is also named Phoebe) with links to her family's past, who may know more than she's letting on. Ross discovers that Rachel still loves him, and must choose between sex-crazy, but bald, Bonnie and Rachel, the love of his life. After the gang plays strip happy days, Joey winds up sleeping naked on the beach. Chandler wonders why Monica doesn't think he's serious after he asks her if she would ever go out with him.