Friends: Season 4, Episode 12

4 - 12: The One With the Embryos

When a smug Joey and Chandler say they know everything about Monica and Rachel, a game of trivia kicks off between the girls and guys to see who knows more about who. But the game turns deadly when a competitive Monica bets the girls apartment - if the boys win, everything will change. Meanwhile, it's make or break time for the Buffay's as Phoebe prepares to become a surrogate.