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, E01 (First Aired: Sep. 24, 2008)
Christine marries Barb to keep her from being deported to the Bahamas; Richard tries proposing marriage to New Christine.
S04, E02 (First Aired: Oct. 1, 2008)
Richard begs Christine to return her wedding ring, which was previously his mother's, so he can use it to propose to New Christine.