The Krelboyn students find their lives are miserable with a new teacher. Fed up with military school, Francis gets himself legally emancipated so he can go north to Alaska with his friend Eric and become a logger.

In a desperate bid to get to Alaska, Francis unintentionally ends up blowing things way out of proportion by landing himself in a sticky situation.

Malcolm gets his first official girlfriend; Dewey hijacks his new friend's birthday party to better himself.

Malcolm, Reese and Dewey "volunteer" to do charity work at the local church. They soon begin bartering the many items in the church basement in exchange for money, but the boys start making more of a profit than the church.

After being invited to a game of poker by Abe, Hal is disappointed as the game turns out to be completely different from his expectations.

Reese lands a part time job at Circus Burger, which seems like a good job. Until he meets his supervisor, Francis' dim-witted friend Richie, who, along with his co-worker cohorts, set Reese up as a patsy.

Lois is completely mortified when she is called slovenly at work and is asked to dress up her appearance.

Reese and his partner from the scavenger hunt cause problems. Malcolm gets into trouble with a girl. Hal finally meets his new boss. Francis decides to cheat in the ice hockey match in order to win money. Dewey is on a sugar high.

Reese goes on a high-speed car chase during drivers'-ed class.

Malcolm is shocked when he finds a major difference in Cynthia's physical appearance after her semester in Europe, and tries to save her from being the victim of Reese's selfish, evil plan after he accidently finds out.

It's Hal's birthday and Lois has Francis come home to celebrate it with the family as a surprise. The surprise is on her and the rest of the family as Francis comes home with a wife he married in Alaska named Piama.

Upon coming home from school, Dewey adopts a dog named Marshmellow and decides to hold Malcolm and Reese hostage for all the things they did to him while he was growing up.

Hal has his friends over for their poker game, and tries to impress them; Reese convinces two girls that Stevie has a fatal illness; Malcolm discovers something dangerous in the house; Dewey has nowhere to go.

Hal thinks that Malcolm, Reese and Dewey took a joyride and wrecked the cars, so he takes them to see a therapist.

Lois has to go on jury duty, and Hal tries to figure out what case she is on. Malcolm, Reese, Dewey, and Stevie go sewer pipe exploring. Francis goes ice fishing.

Malcolm and the rest of the Krelboynes are forced to re-join the rest of the school with disastrous results. Dewey is stuck at home with chicken pox and builds a dominoes masterpiece, which Hal wants to knock down.

Craig hires an evil helper monkey. Reese catches a burglar and decides that he would like to try being in law enforcement. Francis and Piama are forced to leave Alaska.