Christine is worried she is pregnant after her night with Richard.

Christine, Richard, Matthew and Barb go to a motel to be close to where Ritchie is on his first school camping trip. After giving Richard some bad advice about new Christine, Christine and Richard end up in bed together. Meanwhile, some unresolved sexual tension re-emerges between Barb and Matthew when the car breaks down and they are stuck overnight.

Christine inadvertently ruins a friend's wedding when he says her name when toasting the bride. Richard tells new Christine he doesn't want to get married again.

Matthew has to convince Christine that Richard has matured over the years and she needs to stop treating him like she did years ago, when he becomes a contractor for Lindsay.

Christine accidentally sends a dirty email about Mr Harris to all the parents in the school, which nearly costs him his job. 

Christine tries to set an example to Ritchie in regards to politics and the environment.

Richard's brother makes a confession to Christine after an awkward kiss.

Christine is prescribed sleeping pills to help with her sleeplessness. She makes a series of embarrassing phone calls which she doesn't remember, and ends up on another date with Burton.

Christine upsets New Christine when she takes credit for Richard's birthday gift. Big issues arise as the women compete for Richard's gratitude.

Christine has trouble with her sleep schedule after she starts opening the gym at 6am. Matthew struggles with a recent break up. Richard tries to interest Ritchie in carpentry.

When Mr Harris suggests that Ritchie needs to widen his social circle, Christine and Richard get him into soccer. Ritchie makes three friends, all girls. Richard is concerned about this until Ritchie's friends become his 'wives'. 

Christine and Marly have problems when they have a car crash in the school carpark.

Now that Barb is a co-owner at the gym, she and Christine have some issues to work out.

Ritchie hasn't finished his Mission project so Christine and Matthew stay up all night to finish it before the deadline.

Christine has to work out how she will pay for Ritchie's tuition when the cost increases. 

At the school gala, Christine wins a playdate for Ritchie with Mr Harris. When Ritchie can't attend the playdate, Christine meets Mr Harris instead. 

Christine gets together with Stan again. There's one reason that he's irresistible. Yes, he's a champ!

Barb and Pete decide to split up. Christine thinks Barb should be more depressed.

Richard and New Christine take Ritchie to church, which prompts Christine to take him to church herself. 

Christine freaks out when she realises she is dating New Christine's dad. 

Christine helps New Christine and Richard get back together. Meanwhile, she meets a hot older man.

Christine and Richard agree to get back together. Then she meets Ritchie's new teacher.