Victor Z. Isaac

Classmate Cynthia blossoms into a young woman, making it hard for Malcolm and Reese to concentrate on what she says.

Francis devises a plan to become legally emancipated from his parents; a new teacher pits the Krelboynes against one another.

Reese flips burgers to earn his keep; Malcolm meets his academic match; Dewey is promised a puppy if he can keep a goldfish alive.

When forced to spend a few weeks among the school's general population, the boys join established cliques and cause the students to spiral out of control.

Morgan, Prentiss, Reid and J.J. attempt to stop a stalker before he gets close to the woman who is the object of his affection. Meanwhile, Hotch and Rossi consult on a murder case to determine if a wife who killed her husband can claim battered-woman syndrome.

A teacher (guest star Chris Eigeman) urges Malcolm and the other Krelboynes to cheat during an academic decathlon.