Season 4

October 15, 2008

Christine has been burning the candle at both ends -- working hard and trying to be a good mom. Ritchie decides he wants to join the reptile club at school and tells Christine all she needs to do is get the permission slip in on time. When Christine realizes that she's forgotten yet again, she asks the Reptile Guy (Jeffrey Tambor) to make an exception. He says the only way he'll consider is if Christine will go on a date with him. As creepy as he is, Christine is determined not to let Ritchie down, and so she complies.

October 22, 2008

Christine is distraught when Ritchie stops saying "I love you" to her. When she reveals her distress to Matthew, she also admits that she's been sleeping in Ritchie's room every night. Matthew tells her that if she's not careful, Ritchie will end up like him -- he can't go to sleep without talking to their mother. They spend the night helping each other break these habits.

October 29, 2008

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.

November 5, 2008

Christine and Richard have a dinner date with her new boyfriend, Patrick, (Tim DeKay a.k.a. Bizarro Jerry on "Seinfeld") returns as her date.

November 12, 2008

A talent scout caught Ritchie's great school performance and he liked what he saw and offered him a audition to do a TV commercial, much to a thrilled Christine, but Richard won't approve of it and refuses to like him go.

November 19, 2008

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

November 26, 2008

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

December 10, 2008

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.

December 17, 2008

The girls change their building into a spa after learning that they can't get a loan to keep their gym afloat.

January 14, 2009

Christine tries to make a good impression at the Parents Orientation. However, her behavior is anything but good when she recognizes one of the fathers as the boy she knew in junior high.

January 21, 2009

New Christine loosens up during a bachelorette party Christine and Barb throw in Vegas.

February 11, 2009

With Barb and Mathew moving out and Ritchie leaving for science camp, Christine wants to prove she can take care of herself.

February 18, 2009

After Ritchie hurts himself at a skateboarding party, Christine accuses Richard of bad parenting, and they begin competing to prove each other wrong. Matthew gets involved in a rebound relationship.

March 11, 2009

At first Christine is impressed when another mother considers her a "rock," but soon finds it's exhausting being responsible.

March 18, 2009

Christine and Richard help Marly and Lindsay through labor, bring back memories of Ritchie's birth which, in turn, brings back feelings for one another.

April 8, 2009

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

May 6, 2009

Mathew gets assistance in losing weight from fitness 'expert' Christine, but she soon realizes she can't shed off a few pounds herself.

May 13, 2009

Hoping to show she's fine with Richard and New Christine's wedding, Christine feigns being in love with Todd Watski—a ruse that proves difficult to pull off when he acts boorishly at the rehearsal dinner. Meanwhile, Matthew has an encounter with New Christine's sister, Amy.

May 20, 2009

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.