Lois is going to have the baby, while Hal, who is desperate to get home, crashes the car. Meanwhile, Malcolm, Reese and Dewey take Lamaze class to be better brothers to their new sibling.
During that time, they realize that all the things that they were taught in the class, Lois and Hal neglected to teach them while growing up. Ida moves out when Susan calls to clear up the misunderstanding between them. Francis is forced to help Lois give birth as the paramedics won't arrive in time. They manage to deliver the baby and it's named Jamie (however the baby's gender is deliberately left unrevealed). == ==