When sending out the invitations for their wedding, Emily questions Ross' notion of including Rachel-, after all, won't it be awkward for the ex-lovers? While reminiscing about his past with Rachel (with help from clips), Ross concludes that he must invite her - she's been a huge part of his fife. When everyone receives their invitation, Phoebe begins to feel a bit left because she's too pregnant to fly anywhere. Rachel uses Phoebe's pregnancy as an excuse for her to stay home, too _ Phoebe may need her help. When Monica confronts her about the real reason she won't go, Rachel confesses that it would be too painful to watch Ross get married. Monica sympathizes with her friend, but encourages Rachel not to be too hasty in making her decision. After reminiscing about her past with Ross (with help from clips), Rachel @y decides against going to the wedding.