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Eileen Heckart guests stars as the Huxtables' elderly and somewhat bull-headed neighbor Mrs. Hickson. While sharing tea with the lady, Rudy (Keshia Knight Pulliam) discovers that Mrs. Hickson has been neglecting to take her diabetes medication--and in fact has gone to extreme lengths to hide her negligence from her son. Cliff (Bill Cosby) and Russell (Earle Hyman) drop in on the lady to give her a friendly warning, but she turns out to be too clever for them and continues to avoid taking her pills. Finally, the Huxtable put on a series of cautionary skits to teach Mrs. Hickson the folly of her ways...they hope! This episode was originally slated to air on October 15, 1987.