Friends Season 9 Episode 16 : The One with the Boob Job
Chandler and Monica each ask Joey for a loan behind each others back. When Chandler learns Monica asked Joey for money, even though he said that Bings never borrow money, Joey claims Monica needed the money for a boob job. Rachel tries to baby-proof the apartment but realizes she can't. Mike tells Phoebe that he never wants to marry again, which leads Phoebe to question if they should live together.