Shenanigans abound at the fancy spot where the family's dining with the Kenarbans, and at Francis' school, where rowdy teenage girls are partying.

The episode was rated 7.69 from 312 votes.

Malcolm's family and scores of others are forced to relocate to a school gym because of a toxic-chemical spill caused by a derailed train. Seems it ran over an old couch that fell off Hal's car on his way to the dump. Amid the chaos, resourcefulness pays off for Dewey, who enlists sympathy by pretending his parents were killed in an enveloping chemical cloud; and for Reese, who schemes to make money off the calamity. As the rascal puts it, "When people are miserable and suffering, it brings out the best in me."

The episode was rated 7.71 from 247 votes.

Dewey starts carrying a purse to school. Francis's friend Richie joins him at military school. Malcolm becomes a slave to an old woman in the neighborhood.

The episode was rated 7.72 from 270 votes.

Malcolm's family tries to become friendly with their new neighbours with the pool, but end up with new enemies instead. Neighbour boy Josh convinces Dewey that the lawn gnome wants to eat him, and spreads vicious lies about Malcolm that have the police coming to visit. Young daughter Emily likes to bite Reese every chance she can get, and Reese can't fight back because she's just a four-year-old girl. Lois takes an immediate dislike to Tina, the mother of the family, who refuses to admit that Emily has a biting problem and treats her Hispanic gardener like dirt. Only Hal bonds with new neighbour father Mike, but they have to carry on their friendship in secret. Malcolm enlists Reese's help in smearing Josh's name the way Josh did his. In the process of planting evidence under Josh's window they bust and draw attention to Tina having an affair, in the pool, with her gardener. The new neighbours move out. Commandant Spangler works his cadets hard to prepare for his hero, Oliver North's,

The episode was rated 7.73 from 275 votes.

Lois (Jane Kaczmarek) forbids the boys to ride a motorbike they found, but Reese (Justin Berfield) disobeys and breaks a leg.

The episode was rated 7.75 from 247 votes.

A cooking class energizes Reese; a planned party irks Malcolm, whose brutal honesty hurts the hostess, Krelboyne Cynthia.

The episode was rated 7.77 from 249 votes.

Malcolm's humiliation as a Krelboyne drives him crazy, so he fakes his way into seeing the school's shrink, with whom the con continues.

The episode was rated 7.78 from 289 votes.

This freewheeling close to the series' second season recalls the tumultuous births and early years of the four rambunctious sons of Lois (and Hal. At the outset, Lois tells her hubby that she might be pregnant again. "We're not ready for this," ruffled Hal replies. "When have we ever been ready?" Lois snaps back. She's right. Take, for example, a flashback to the couple's wedding: an 11-hour ceremony during which a very pregnant Lois goes into labor. And then there's the birth of the obstreperous Reese, for which the delivering doctor isn't ready. "My God!" the physician exclaims. "He kicked me in the nose!"

The episode was rated 7.79 from 238 votes.

Francis has an extra ticket for a wrestling event and it is the prize pitting Malcolm vs. Reese in a one-upmanship war; caring for Craig's cat is troublesome for Dewey.

The episode was rated 7.80 from 241 votes.

Crummy gifts rile birthday gal Lois, who suddenly splits from home, leaving confusion, anxiety and desperation in her wake.

The episode was rated 7.81 from 301 votes.

Francis visits the week after Halloween and helps his brothers in a trick that involves a giant slingshot with icky ammo. Hal tries to catch a mysterious hot-rodder.

The episode was rated 7.85 from 341 votes.

While Hal and Lois wreak havoc out of town, the boys are almost angelic at home-- thanks to the care of a sexy babysitter.

The episode was rated 7.86 from 300 votes.

Lois gets a traffic ticket and immediately blames Francis and makes him get the money to her. To do this, Francis stages a stunt for the other cadets' amusement. Malcolm finds evidence that Lois was wrong about the traffic ticket.

The episode was rated 7.87 from 271 votes.

Hal, Lois, Malcolm and Reese are trapped in a horrendous traffic jam. Francis enters himself in a bet that recalls the egg-eating wager in "Cool Hand Luke." Malcolm becomes smitten over a girl he meets. Dewey has his own little adventure--all over the world--before his family returns home.

The episode was rated 7.93 from 337 votes.

Malcolm and Reese (Frankie Muniz, Justin Berfield) go to a bowling party where they vie for the attention of a cute girl. With Jane Kaczmarek, Bryan Cranston and Erik Per Sullivan.

The episode was rated 8.16 from 278 votes.