Eddie tries to cover for his poor record in school by claiming he has family problems at home - so his teacher arrives to evaluate his dysfunctional family environment.
Steve pesters Carl when they share a hospital room.
Steve resorts to despearate measures to win a date with Laura—camping out on the Winslows' roof, even though a big blizzard is fast approaching Chicago. Meanwhile, Richie meets the Winlows' new next door neighbor, Gwendolyn.
After a vengeful Myra tampers with Urkel's transformation chamber, Carl steps into it and steps out as an Urkel-like nerd.
Laura gets a fake ID and heads to a strip club, unaware her mother, grandmother, and aunt are planning to go there as well.
When Carl's lemon tarts become popular at a local eatery, he's reluctant to share the recipe and become "king of tarts".
When Eddie cracks up the family car, Steve suggests raising repair money at an illegal gambling hangout. Meanwhile, Carl accidentally dumps Harriette and Rachel's great aunt's cremains into a trash can with fireplace log ashes.
When his parents move to Russia, Steve moves in with Eddie and Waldo, but his super termites eat them out of house and home, literally.
College man Eddie moves into an apartment with Waldo and promptly plans a hot night with two female guests which inflames Waldo's steady, Maxine.
When Steve becomes substitute teacher, he transforms to Stefan to get some respect and revenge. Meanwhile, Harriette berates Carl for not helping with the housework, so he hires a sexy maid, much to her consternation.
Carl's brother, Frank, visits, and Carl discovers he's wanted by the police.
Urkel's visiting hip-hop cousin, O.G.D., makes a bad first impression on the Winslows—hitting on Laura, spouting controversial ideas, and influencing 3J in a decidedly negative fashion. Meanwhile, a crooked thug who is owed $4,000 by O.G.D. arrives in town looking to collect on the debt.