While visiting her big sister Denise (Lisa Bonet) at Hillman, little Rudy Huxtable (Keshia Knight Pulliam) unexpectedly forms a strong bond with the imperious Whitley (Jasmine Guy). This in itself is enough to drive Denise crazy, but it gets worse: Rudy now regards Whitley as her role model. Elsewhere, Denise's roommate Jaleesa (Dawnn Lewis) faces a crisis of her own when her ex-husband goes on a date with her own sister. ~ Hal Erickson, Rovi