Class Accidentally on Purpose : Season 1 Episode 10
TV-14 CBS 22m
Aired: December 7th, 2009 @ 8:30 PM EST on CBS
When Billie and Zack take instructional parenting classes separately due to their schedules, Billie goes with Olivia and Abby. However, the course quickly becomes a competition when Abby outshines Billie at all the tasks.
