 Phoebe has accepted to host in her uterus the artificially inseminated child(ren) of her brother Frank and his older wife Alice Knight Buffay; the anxious wait for a pregnancy is rewarded. Meanwhile a display by Chandler and Joey how well they know Monica and Rachel by guessing the items in their shopping bag leads to a large-scale bet on a quiz, for which Ross makes the questions. It goes close, but the team captains pride and sense of competition brings Monica to accept Chandlers dare to up the stakes: either the boys  birds are ousted, or the girls must exchange their master apartment for the boys measly rooms- Rachels error in the last round enables a triumphant entry of the victors.