Since "New" Christine broke up with Richard, he's been spending a lot of time at her house, leading Ritchie to believe that his parents are back together. When Christine tells Richard that Ritchie told this to his new teacher, Mr. Harris, Richard suggests that they give their relationship another try.

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

Richard want Ritchie to learn the value of competition and male bonding, and signs him up for soccer. Christine disagrees, but then has her own competitive urges when fighting with Richard for attention from Mr. Harris.

Trying to send an e-mail to Barb about Mr. Harris, Christine ends up sending it to all the parents from school, nearly costing him his job.

Christine realizes that one reckless evening may have jeopardized her chance to begin dating Mr. Harris.

Christine and Mr. Harris try to establish a relationship before having sex, but Barb gives her pause. Matthew is horrified when he sees his med school cadaver was a neighbor.

Insecurity over a waitress flirting with Daniel sends Christine to a plastic surgeon's office.

Ritchie's soccer match leaves Christine running late for an event she's supposed to be attending with Mr. Harris.

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