When Vinnie takes Doogie's car out for a spin, it gets smashed by a falling piano. Doogie, Vinnie, and Mrs. Howser agree not tell Dr. Howser who secretly finds out via a phone call from the auto mechanic. At the hospital, Doogie tries to order tests for a star college basketball player who refuses to seek treatment for fear that will damage his chances to play professionally.
Doogie, realizing that he has no athletic skills, fakes an injury so he doesn't have to play in an exhibition basketball game against a rival hospital. Raymond tries overly hard to impress a woman staying at the hospital, even though she has no interest in him.
Katherine's parent make a surprise visit to the house while it is being remodeled. Her father quickly makes his presence known by offending the contractor who promptly quits on the spot. At the hospital, Doogie tells a couple with a family history of miscarriages that they're having a baby.
Still grieving over the death of her mother, Wanda has no time to go out with Doogie. She allows him to go to the hospital's annual Monte Carlo night with someone else. So Doogie asks a student nurse to go as his "date".
Doogie decides to drive to Chicago to see Wanda; Vinnie tags along. But when they reach the desert, the car breaks down. While waiting for it to be fixed, he literally bumps into a woman who gives him a pause to think about what he is doing. And the mechanic shows Vinnie his artistic side.