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, E15 (First Aired: Feb. 11, 2009)
Christine tries to prove that she can take care of herself after Matthew and Barb move out and Ritchie leaves for science camp.
S04, E16 (First Aired: Feb. 18, 2009)
Christine accuses Richard of being a bad parent when Ritchie is injured at a skateboarding party, but her overprotectiveness backfires.