Charlie coaches Jake on the art of infidelity while his girlfriend is away for Christmas.

Charlie discovers that Chelsea has not been completely honest about her finances.

Charlie discovers he has not been satisfying Chelsea; Alan attempts to cure his thinning hair without spending much money.

Chelsea tries to help her beautiful college roommate get over a bad breakup.

Charlie and Alan wake up together in bed with a strange woman.

Alan suggests that Chelsea get breast reduction surgery and Charlie kicks him out.

After they embarrass him in public, Jake refuses to stay with Charlie and Alan.

Alan takes a job working for Evelyn; Charlie must mend Chelsea and Jake's rocky relationship.

Alan cares for Judith's baby and her tipsy mother; Jake uses an incriminating picture to blackmail Charlie.

Charlie's house is taken over by women when Chelsea convinces him to let Alan's girlfriend move in.