 The episode features the return of Laura San Giacomo as Harmony Chase and the introduction of the recurring character of Max ( Adam Rose ) . San Giacomo and Colantoni , who had previously co @-@ starred on the sitcom Just Shoot Me ! , lobbied for more storylines together after <unk> their friendship during production of " Charlie Don 't Surf " , her first appearance . Rose 's character had been planned to begin a later romantic relationship with Mac since the writing of this episode and went on to fulfill this role in several future episodes . At the time of its initial broadcast , the episode was watched by 2 @.@ 75 million people and received mixed to positive reviews from television critics . 
