Malcolm finds his life is made even more difficult when he's placed in a class for 'gifted' students at school
Lois takes drastic steps to find out which of her sons ruined the special dress that she bought for an anniversary dinner with her husband Hal
Lois and Hal leave the boys alone for the weekend with Francis, promising him that if all goes well, he may not have to go back to military school
Malcolm feels guilty when he finds out that a bully who he lashed out at is much younger than him. Hal takes heat after cutting down a tree, and Francis tries to sabotage Spangler's sex ed lecture.
While Malcolm's family are forced to live in a trailer on their driveway because the house is getting fumigated, Malcolm gets to luxuriate as he babysits for what seems like the ideal family
During a sleepover, Malcolm sneaks Stevie out of the house and loses his wheelchair. Francis deals with a hazing at military school, and Reese tries to prove he's brave enough to watch a scary movie.
Francis runs away from military school and comes home to see his girlfriend
The whole family attends a picnic organised for the school's gifted kids. Malcolm dreads his performance in the event's 'Academic Circus'.
The family suffers financially after Lois gets fired from the grocery store. Francis loves his new assignment as part of an honour guard at a beauty pageant.
While Hal secretly takes the boys to the stock car races, Lois desperately searches for her missing pay cheque
Malcolm talks the family out of going to a relative's funeral so that he can instead go on his first date ever
Malcolm helps Reese to become a cheerleader in the hope that it will help him attract a girl. Francis has a heart-to-heart conversation with headmaster Spangler.
Malcolm suffers under his father's roller-skating tutelage while Lois is sidelined with a nasty back injury
While Lois goes to visit Francis after his appendicectomy, Malcolm and his friends decide to build a robot. But the project gets hijacked by Hal, who reverts to his pre-marriage, wild-man persona.
When Lois gets sick, Malcolm and his brothers convince her that it's Sunday so that they can stay home from school. Meanwhile, Hal heeds the siren song of a luxury car dealership.
Malcolm and Reese spend the day fighting at a water park, Francis gets into a different kind of pool match with Spangler, and Dewey stays home with an odd babysitter