Irreconcilable Similarites - S1.E25

Billy and Amanda bicker constantly after he moves in with her. Alison quits her job and decides to move to Seattle with Keith. Billy confronts Amanda after she insults Alison at her farewell party. Amanda sarcastically wonders if Billy would rather be with Alison. Billy breaks up with Amanda and moves out. He drives Alison and Keith to the airport, but then pleads with Alison to stay in Los Angeles. She tells him that it is too late to change her mind, and leaves. Michael's college friend Sam makes a pass at Jane after they have dinner together. Michael is livid when Sam--not Jane--is the one to tell him about the incident. Kimberly offers to ""comfort"" him.