The New Adventures of Old Christine (2006)

S2E19 Faith Off

Upon discovering that Richard has been contracted to renovate "meanie mom" Lindsay's bathroom, Christine feels compelled to step in, worried he might botch the job and jeopardize their standing at Ritchie's school. Meanwhile, tensions arise between her and Richard as they argue over who should be the one to have the all-important talk with Ritchie about sex.