The team members try to identify a stalker before he can attack a woman who is being stalked in Silver Spring, Maryland.
Malcolm and the Krelboynes do battle with a tough new teacher; Francis tries to get Lois to talk to him after his self-emancipation.
Reese is accused of stealing at his new job; Dewey tries to convince is parents he can keep a goldfish alive; Malcolm chafes when a super-genius joins his class.
Malcolm suffers extreme humiliation during his first week as a high school freshman; Dewey loves his first week as a latchkey kid; Francis discovers the trials of working for a too-permissive boss.
Malcolm reveals Cynthia's big secret to Reese. Meanwhile, Dewey helps Hal get over his fear of kittens. A neighbor tries to be in good terms with Lois. Francis becomes enchanted by a totem pole.