November 3, 2002 • 22m
Malcolm, whose frenetic home life is a kind of zoo, begins the fourth season by accompanying his family to the real thing. A visit...Read more
November 10, 2002 • 22m
High school's first day vexes Malcolm, who acquires an unfortunate nickname; and Hal, a parental "volunteer" running afoul of authority.
November 17, 2002 • 22m
Christopher Lloyd adds to his gallery of eccentric characters, playing Hal's quirky, cranky and very wealthy father, Walter, in th...Read more
November 24, 2002 • 22m
Acting dumb like Reese eases Malcolm's stress and lands him a date with the new light of his life, an attractive girl who's really a dim bulb.
December 1, 2002 • 22m
Brotherly love is lost on Malcolm and Reese, now out to sabotage his sibling's birthday in devilish strikes met with crafty counterattacks.
December 15, 2002 • 22m
Malcolm starts to date Nikki. Meanwhile, Hal and Lois must take abstinence pills in an attempt to be better parents. At the ranch,...Read more
January 5, 2003 • 22m
After joining the basketball team at school, Malcolm soon finds himself under the coach's skin due to his constant complaining, wh...Read more
January 12, 2003 • 22m
On a visit to Francis' dude ranch Hal can't help being disappointed in Francis' success, Reese and Malcolm fear Francis has turned...Read more
February 2, 2003 • 22m
Grandma Ida is even nastier than usual (if that's possible) because of a tumble down the front steps that resulted in a broken col...Read more
February 9, 2003 • 22m
After being rattled by a battle among the boys, a pregnant Lois ponders the consequences of raising another brawling kid. So she f...Read more
March 2, 2003 • 22m
A sex lecture from Lois rattles Malcolm; a ranch calamity unnerves Francis; disharmony among Hal's music group is a prelude to the...Read more
March 9, 2003 • 22m
After Lois is out of town, Malcolm and Hal got into a fight leading Malcolm to get expelled from his house. Malcolm lives with hi...Read more
March 16, 2003 • 22m
Jessica, a sly, 16-year-old sitter outfoxes the boys while Lois is away and Hal's busy with a second job as a whiz of a salesman.
March 30, 2003 • 22m
Malcolm tries to emancipate Dabney from his overbearing mother while Hal invites his ne'er-do-well old buddy to the house. At the...Read more
April 6, 2003 • 22m
A garage sale that's entrusted to Reese (yikes!) yields treasures near and dear, like Hal's old radio transmitter, which he makes ...Read more
April 13, 2003 • 22m
An academic competition faces the Krelboynes in an event Malcolm derides. Especially when he learns his teacher has a cheating pla...Read more
April 20, 2003 • 22m
Hal and Lois are penning their will, and think back to all the trouble their sons put them through. It is there that Lois' problem...Read more
April 27, 2003 • 22m
When Hal and Lois go out of town for a "last chance" getaway before the baby comes, Reese has a big bash that gets out of hand. Co...Read more
May 4, 2003 • 22m
Leonard, a cynical, genius chess player with no friends or job, makes Malcolm think he could grow into a similar adulthood. Determ...Read more
May 11, 2003 • 23m
Lois goes into labor while Hal and the boys are at a bridal exposition. Ida moves in after her apartment burns down and she refuse...Read more
May 18, 2003 • 22m
While Lois is in labor, the house is hectic, and Hal, desperate to get home, has crashed the car on the way out of the expo.
May 18, 2003 • 22m
With the arrival of their fifth child, Lois and Hal search for a "creative" daycare solution.