Christine considers having plastic surgery, because she's afraid that she's dating out of her league. Richard accidentally proposes to New Christine in a phone message.
After Christine finds out that she hasn't been invited to any of the Meanie Moms' school-related social events, she changes her ways to get in tighter with them.
Christine declares that she's over her breakup with Mr. Harris, but she has a relapse at one of Richie's parties. Meanwhile, a therapist tells Matthew that he is having an inappropriate relationship with Chirstine.
Richard's request to Old Christine to get his engagement ring back to give to New Christine causes problems in their friendship, and Matthew falls in love with his first patient as a therapist.
An article about Barb in a black businesswoman's newspaper causes a large number of African Americans to join the gym, which makes Christine uncomfortable.
Richie is at the age of not saying I love you to his mother. Christine wants another baby so she has someone to say I love you. She asks her ex-husband Richard to get her pregnant. Meanwhile, Matthew says he can't stop saying I love you.
Christine and Barb put themselves back out into the dating market with mixed results, and Matthew regrets helping Richard pick out a chair for his wedding.
Christine's new relationship is in jeopardy because she keeps letting Richard tag along with them. Barb uses Matthew's new job as a therapist to reveal some disturbing secrets about herself.
Christine tries to prove to everyone that her new boyfriend is actually a psycho, and Matthew discovers that his new girlfriend looks a lot like Christine.
Everyone spends Thanksgiving at Christine and Matthew's parents' house. However, their father is not around, and their mother won't come clean about why.
Christine and Barb decide to turn their gym into a spa, but soon learn of "inappropriate activities" going on there. Meanwhile, Richard tries to make friends with all the female volunteers at Ritchie's school.