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.
S01, E04 (First Aired: Mar. 27, 2006)
Richard learns from a gloating Matthew that Christine is out enjoying her fifth date with a new beau, Burton, so he does what any self-respecting ex-husband would do: he sabotages the happy couple's goodnight kiss and insults Burton.
S01, E05 (First Aired: Apr. 3, 2006)
After 10 dates, Christine faces a critical moment in her relationship with Burton, whether to let him meet her son. When she relents, she is thrown for a loop.