Christine proposes to Barb to save her from being deported.
Richard asks Christine to return her wedding ring -- previously his mother's -- so he can use it to propose to New Christine.
After Barb is profiled in a business journal, new clientele hits the gym and business really picks up.
Christine agrees to go out with a children's entertainer specializing in reptile parties in order to get Ritchie into the Reptile Club.
When Ritchie stops telling Christine he loves her, she is devastated and asks Richard to have a baby with her so she can have a new child to love her the way Ritchie used to.
Christine and Barb go on a double date, but only one gets asked out a second time.
Richard joins Christine and her new boyfriend, Patrick, on a dinner date.
Christine and Richard argue over whether to allow Ritchie to audition for a television commercial after his surprisingly wonderful performance in a school play.
Christine thinks she has the perfect boyfriend, until he shows a shockingly bizarre side of himself.
Christine dreads going home to see her mother at Thanksgiving, but she discovers a secret they have in common.
Christine and Barb may lose their gym franchise when a representative from their parent company informs them that a contractual clause has been broken.
When Christine and Barb can't get a loan to keep their gym franchise, they decide to transform their building into a day spa.
Christine realizes that one of the fathers at Ritchie's Parents Orientation was the seventh grade classmate who ruined her reputation, and she decides to take revenge.
New Christine loses all her inhibitions at a spontaneous bachelorette party Christine and Barb throw for her in Las Vegas.
Christine searches for the independent woman inside herself after Barb and Matthew move out.
Christine accuses Richard of bad parenting when Ritchie gets hurt at a skateboarding party, but soon surpasses him as the worse parent when her over-protectiveness backfires.
Christine finds herself the solid, dependable one in a new friendship with a fellow mom, Francie, at Ritchie's school.
Christine and Richard help Marly and Lindsay through labor, evoking memories of Ritchie's birth -- and possibly rekindling romantic feelings.
Fed up with the mean moms at Ritchie's snotty private school, Christine decides to enroll him in public school.
Christine uses her expertise as a gym owner to help Matthew lose weight.
To convince everyone she's fine with Richard's remarriage, Christine pretends she and her date, Todd are in love.
Feelings are reawakened between Christine and Papa Jeff at Richard and New Christine's wedding, until Christine receives some shocking news.