High Quality Content by WIKIPEDIA articles! "The One with the Embryos" is the twelfth episode of Friends` fourth season. It first aired on the NBC network in the United States on January 15, 1998. In the episode, Phoebe (Lisa Kudrow) agrees to be the surrogate mother for her brother Frank Jr. (Giovanni Ribisi) and his older wife Alice Knight (Debra Jo Rupp). Meanwhile, a display by Chandler (Matthew Perry) and Joey (Matt LeBlanc) of how well they know Monica (Courteney Cox) and Rachel (Jennifer Aniston) by guessing the items in their shopping bag leads to a large-scale bet on a quiz, for which Ross (David Schwimmer) acts as the gamemaster.