Episode 144 of "Malcolm in the Middle"
s07e15 A.A.
Title: A.A.
Original Air Date: 03/05/2006 on Fox
Plot Outline:
Lois and Hal visit Francis to help him celebrate one year of sobriety, but when they attend his A.A. meeting they find out that Lois was the one who drove him to drink. Meanwhile, Dewey finds the spare key to Hal's car, but when Malcolm and Reese refuse to drive him to the arcade, it takes them more than 12 steps to find it.
