Premise: ``Old Christine'' (Julia Louis-Dreyfus) is a divorced mom who has a handle on her career and motherhood -- and a pretty good relationship with her ex-husband -- until he introduces his new girlfriend, a younger woman, also named Christine. Old Christine lives with her son and her brother, and runs a gym, and her life is a constant struggle to keep up with everyone else.
S04, E03 (First Aired: Oct. 8, 2008)
After being profiled in a black business journal, business picks up as Barb receives a bunch of new customers at the gym.
S04, E04 (First Aired: Oct. 15, 2008)
Christine agrees to a date with a children's entertainer who specializes in reptile parties, hoping to help Ritchie get into the Reptile Club.