"The New Adventures of Old Christine" is a sitcom that aired from 2006 to 2010, starring Julia Louis-Dreyfus as Christine Campbell, a single mother navigating life after her divorce. The show explores her challenges in co-parenting her son, Ritchie, with her ex-husband, Richard, and his new girlfriend, also named Christine. The series combines humor and relatable situations as Christine deals with her insecurities and the complexities of modern relationships. It highlights her friendships with Lindsay and New Christine, showcasing the ups and downs of being a woman in her 30s and 40s while balancing family and personal growth.