The family goes to the zoo. Malcolm is going through a crisis, and he and Dewey find themselves in a unfortunate situation. Reese angers an animal at the zoo. Hal is jeal ...

Malcolm is eager to start his first year of High School and is no longer identified as a Krebloyne, but he soon discovers that his least favorite teacher Mr. Herkabe is t ...

Malcolm and his family goes to Hals father's house for a reunion. The family doesn't like Lois. Reese and Dewey try to get in their grandfathers will. Malcolm's grandfath ...

Malcolm stops thinking in order to go out with a very dumb girl. Hal wins some money, and rents a steamroller. ...

Today is Malcolm's birthday and unfortunately he and Reese are in a long prank war against each other. Meanwhile Francis does battle with a legend about an evil cow at th ...

Malcolm sneaks around to date a girl whose father hates him; Hal and Lois become more productive when they can't have sex for a week; Dewey discovers he's an evil twin; F ...

Malcolm is fed up with the fact that every time he complains, something wrong happens. He has recently got kicked off the basketball team and vows not to complain anymore ...

On a visit to Francis' dude ranch Hal can't help being disappointed in Francis' success, Reese and Malcolm fear Francis has turned into an overly responsible grownup, and ...

When Lois' mother visits, she trips on a leaf and decides to sue Hal and Lois...just as Lois finds out she's pregnant again. ...

Lois fantasies what her life would be like if she'd had girls instead of boys. ...

Lois uses a long drive with Malcolm to further his sex education; Reese spends a day in prison; Dewey plants seeds of discontent in Hal's vocal group; Francis has an acci ...

When Hal kicks Malcolm out of the house for misbehaving, Reese tries to take advantage of Hal's distraction to come up with a truly bad stunt of his own, and Francis take ...

Hal works a second job at a stereo store where he tries to befriend two unintelligent employees; Malcolm, Reese and Dewey deal with a new babysitter; Francis hires a film ...

Hal spends a wild night with an old high school buddy; Malcolm tries to liberate Dabney from his mother's control; Francis spends the night with Otto when their wives are ...

The family decides to hold a garage sale to fund repairs of the bedroom wall and Lois puts Reese in charge. Hal finds his old radio-transmitter and starts running a pirat ...

Malcolm competes in an academic octathlon but hates the intensity of the other competitors; Hal fights to regain Dewey's love; Reese tries to get out of going to a formal ...

As Lois and Hal write their wills in preparation for the baby's birth, they recall various colorful incidents with their four current children. ...

When Hal and Lois go on a less-than-romantic getaway, Reese throws a party at home, which is crashed by delinquent friends of Francis, who take over the garage and hold t ...

Malcolm meets a chess-playing bum who could be him in 30 years; Lois can't figure out why she's gaining weight; Dewey attributes his bizarre behavior to obeying requests ...

Hal takes the boys to a bridal show; Lois' mother wants to move in with the family; Malcolm gets an offer to enroll in a prestigious private school. ...

Lois continues with her strenuous labor, as friends and family all panic around her. ...

The family joins a church in order to take advantage of the free day care; Francis concocts a UFO story to help the dude ranch. ...