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.
S05, E11 (First Aired: Dec. 16, 2009)
Christine reluctantly attends her neighbor's holiday block party, where she discovers a juicy secret.
S03, E09 (First Aired: Mar. 24, 2008)
After discovering that Matthew and Barb slept together, Christine forbids them to see each other. But while the couple are wondering if they are, indeed, still a pair, they drive Christine crazy by pretending to be inseparable.