When Hal decides to attend his first annual Neighborhood Association meeting with Malcolm, he is strongly encouraged to take on the role of President. Being his dad’s right-hand man, Malcolm…

After Hal forbids Dewey from inviting his peculiar classmate Chad over for a sleepover, Dewey quickly finds out that his father had good reason to warm him. Meanwhile, Malcolm and…

Hal is sleepless because of their upcoming 20th wedding anniversary. So he ask Reese for some ideas for presents. Then Reese gets the idea to brainwash his dad while he’s…

When Hal and the garbageman get into a trash-dumping war (which benefits Dewey more than anyone else), Hal enlists Reese’s help. Meanwhile, Lois gets her job back at Lucky Aide…

Malcolm convinces Dewey to do poorly on an I.Q. test, so that he won’t become a ridiculed Krelboyne student. But Dewey does so badly that he is placed in a…

In the milestone 100th episode, “”Lois’ Sister,”” Lois’ younger sister, Susan (Laurie Metcalf), pays the family a visit and brings with her expensive gifts for the boys, biting remarks for…

Typically, the boys run amok at Francis’s dude ranch; atypically, he disciplines them, setting the stage for their clever retaliation.