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The New Adventures of Old Christine (often shortened to simply Old Christine) is an American sitcom television series starring Julia Louis-Dreyfus as Christine Campbell, a divorced mother doing her best to keep pace with those around her. Clark Gregg co-starred as her ex-husband Richard, with whom Christine maintains a close relationship despite their divorce, as well as Hamish Linklater as her brother Matthew and Wanda Sykes as her best friend, Barb. It ran on CBS from March 13, 2006 to May 12, 2010.