Christine hesitantly allows New Christine to arrange a blind date for her and finds her intuition against the idea was spot on.

Christine tries to control her hormones when her gynecologist says she may be entering perimenopause.

Christine discovers that Ritchie has become a bully at school and attempts to change his behaviour by changing her own ways.

Christine has set up a date between Richard and a gorgeous, passionate woman who works out at her gym, while Tom (Richard's friend) continues trying to woo Chrisine.

Christine volunteers to help out at Ritchie's spring carnival and while there, she runs into the mean moms -- Marly and Lindsay -- who are clucking over the attractive father of a new student at Westbridge. Christine is excited to learn that the hot dad is her ex-boyfriend, Burton, but her hopes of re-igniting their romance are shot down when she learns Burton has a new girlfriend.

After the mothers at Ritchie's private school continue to take cheap shots at Christine, Christine decides to enroll him in public school.

Christine learns a juicy neighborhood secret when reluctantly attending the Christmas block party.

Richard is secretly planning an impromptu wedding for him and New Christine, so to help him out, Christine drags a very cranky and pregnant New Christine to a fancy salon while he puts the plan together.

Concerned about the uniformity of Ritchie's schoolmates, Christine takes it upon herself to help diversify the student body at his private school.

Christine is stunned to find out the man she's seeing, New Christine's father, is also a grandfather.

Over a Thanksgiving visit, the discovery of a shared secret gives Christine a way to negate one of her mother's criticisms.

A trip with Barb to retrieve some of Richard's things sees Matthew worry that New Christine isn't letting out her feelings over the wedding fiasco. Meanwhile, Christine and Richard meet up with some of their friends from college and are shocked to see how badly they've aged.

When Christine learns that Richard and "new" Christine are enjoying an intimate relationship, she becomes determined to make her own conquests. After several failed attempts to meet eligible men, she finally runs into a guy named Stan at the grocery store. Unbeknownst to Christine, Stan is a father at Ritchie's school who is known as "Sad Dad."

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 with lawyer jokes. But when he tries to make it up to them by inviting Christine and Burton to dinner with him and "new" Christine, his best-laid plans go awry.

Richard begs Christine for the return of her old wedding ring which was an heirloom from his mother, in hopes of giving it to new Christine when he proposes.

The parent company of Christine and Barb's gym franchise comes for an inspection and discovers that they have broken a contractual clause, risking the entire business. New Christine wants Richard to get a vasectomy.

Christine finds out a secret about Jeff after they rekindle feelings for each other at Richard and New Christine's wedding. Matthew continues to date Amy, and Barb meets a possible love interest.

Mr. Harris returns just as Christine starts falling in love with Max.

Christine mistakes a good looking cop for a stripper, who alerts her that there is a prowler in the neighborhood. In order to feel more secure, Christine asks Matthew to stay over. Meanwhile, New Christine goes into labor, with the sole goal of avoiding having the baby arrive on Old Christine's birthday.

Richard tells Christine that the reason he has good luck with women is that he "says yes to life." When Christine meets a good-looking man after paying a surprise visit to New Christine, she decides to break out of her mold and says yes when he asks her out to dinner.

Christine's attraction to Ritchie's teacher causes a scene at a school fund-raiser--especially after she wins a playdate with the man.

The stresses of going to a wedding with Richard and Barb are multiplied by Christine's agreeing to be designated driver, depriving her of some much-needed alcohol.

Christine hopes acting a bit more wild will stop Barb thinking she's uncool.

Christine and Barb prepare for a casual, non-relationship-seeking double date with two guys they meet at a video store, but jealousy arises when only one of them gets asked out for a second date.

Christine thinks she has the perfect boyfriend, until he has a 'bizarre' reaction to her competitiveness after losing to her at tennis.