Unable to function without Dewey, Buseys special needs class panics and takes their teacher hostage when he threatens to call the police on one of the kids for a minor in ...

Malcolm gets promoted to a position promoting the Lucky Aide from atop a pair of stilts; Hal tries to make up for accidentally blowing the household budget on a phone-sex ...

The neighborhood dog pack adopts Reese as their new best friend, and Dewey gets caught after spending time with a new, better mom. Hal becomes the company's motivational ...

Ida forces Lois to bake a special tart for an old-world saint's holiday; Malcolm meets his match with music appreciation; and Hal tries to bond with Reese by watching gor ...

It's Spring break, and Malcolm is stuck working the graveyard shift with his mom, and Reese inherits a box of caterpillars from a shady pest controller. Malcolm investiga ...

Francis shows up for his 21st birthday anticipating Hal will come through on a promise to go on a motorcycle road trip; meanwhile, the boys are trapped in the house while ...

Dewey invites a destructive friend for an overnight visit; Lois is on the hunt for a decade old blender warranty. ...

When Grandma Ida visits the family once more, she ends up saving Dewey's life from being run over thus having her leg amputated. Lois forces Francis to take care of his g ...

When Hal and Lois carve out some time for deep personal discussions, Hal is upset to learn Lois doesn't believe in an afterlife; Malcolm is roped into emceeing a silly ch ...

Hal has a hard decision on his hands, one of the neighbors has been in a coma and he has to decide whether or not to keep him on life support or pull the plug. He's alway ...

When his parents fight over a new bed, Dewey writes an opera based on their arguments; Malcolm gets into street luging and becomes obsessed with beating a cocky rival, un ...

When Lois comes out of the store and catches the boys vandalizing a suggestive billboard from a strip club, Malcolm decides to challenge her by changing the display to I ...

Malcolm uses his illegal gambling profits to buy a junk car, which quickly takes over his life; Hal discovers a talent for hair styling; and Lois discovers Craig is havin ...

Trying to win a battle of wills with young Jamie, Lois brings Francis home to help her remember how she conquered him when he was a baby; and Malcolm, Reese, and Dewey st ...

Hal is stressed about a gift for Lois for their 20th anniversary. He begins sleepwalking, and Reese discovers Hal is highly suggestible in that state. Meanwhile, two of D ...

Strapped for cash for the holidays, Hal and Lois decide that all Christmas gifts this year should be handmade. But when Hal sees the thoughtful, quality gifts the boys ma ...

Taking place two years after she divorced Abe, Kitty returns hoping for forgiveness. Lois, however, refuses to give it to her, saying that what she did was creepy and evi ...

Malcolm and Reese's teenage neighbor and former babysitter Jessica(see episode #4.13 Stereo Store) barges into the Wilkerson household and has tricked each of them into b ...

Lois returns to work at the market as a probationary employee and takes offense at the racist advertising standee for malt liquor. She hopes Malcolm will see her point of ...

Lois finally gets Dewey out of the Buseys special needs class. In response to losing their new 'leader' they run away to be with him. Hal still has no job and picks up a ...

Reese, having deserted the army is trying to find his way home. Lois discovers his fate and goes in search - eventually to the Middle East. After cornering him with the h ...

Hal Wilkerson's trial is underway and the prosecution has a strong case against him. What's even worse is that the agent who was going to save him, testifies against him. ...

When Reese visits Beth at her house, he finds out that she's cheating on him with Malcolm. Distraught, he runs away and joins the Army with the other broken hearted males ...

Lois has just found out that she has a half-sister named Roberta and brings Reese, Jamie and Malcolm with her to meet their aunt and cousins. Her step-mother, Sylvia comm ...

When Dewey is in danger of joining the Krelboynes, Malcolm interferes with disastrous results. Meanwhile Hal 'discovers' his latest mania when he sees Craig dancing in a ...

Reese inadvertently perfects Malcolm and Stevie's science experiment, but can't remember how he did it; Dewey dreams up reasons for people to buy the candy he's selling d ...

Polly begins dating Abe and Craig; Malcolm refuses to believe in the power of Dewey's lucky shirt; the ranch hands make fun of Francis; and Lois takes the kids to a baseb ...

Lois accompanies Malcolm to his first college visit, where she clashes with a resident advisor; Reese pretends he's a drug user to woo a pretty narcotics officer; Francis ...

Reese storms out and gets his own apartment. Francis uses the opportunity to blame Lois for all the issues in the family and Malcolm is forced to coach a jock who gets ev ...

Lois has a dispute with Hal and the boys' favorite restaurant; Malcolm clicks with his girlfriend's family to the point where he forgets about his girlfriend; and Francis ...

Lois' younger sister, Susan, makes a surprise visit to the Wilkerson house. Immediately, she treats Malcolm, Reese, and Dewey like the sons she wishes she had with Hal in ...

Malcolm volunteers for the company's softball team, only to realize that Lois is the coach; Francis sets out to prove he's not lazy; and Hal interviews for a job at a com ...