Doogie is surprised when Raymond, the former gang member who once held him hostage, shows up at the hospital. Impressed by Raymond's transformation into a responsible person, Doogie invites him to dinner and gets him a job at the hospital.
"Dr. Doogie" becomes an overnight sensation after he appears in public service announcements on a popular music channel. However, when his fame gets in the way of his job and normal life, he must choose whether he wants to keep up the hectic schedule.
While trying to talk his pregnant French teacher into helping him improve his failing grade, Vinnie ends up stuck in an elevator with her. She starts to go into labor and he is forced to call Doogie for help.
Doogie argues with his dad over whether he can buy a 1957 Chevy convertible. At the hospital, Doogie tries to get through to a mentally retarded patient who refuses treatment for a potentially fatal illness.
Doogie admits a homeless man to the hospital who turns out to be Blind Otis Lemon, a legendary blues player long thought to be dead. When Otis is scheduled for surgery to remove a tumor that could possibly leave him deaf, Vinnie and Raymond sneak him out of the hospital for one last gig.
Doogie is jealous when Wanda becomes friends with a male nude model in her art class. At the hospital, Doogie suspects that a pretty young model is bulimic. The hospital holds its annual bachelor auction with Doogie participating for the first time.
Vinnie is depressed when he learns that Janine's parents offered her a car if she would break up with him. Katherine's parents come to visit for Thanksgiving which causes tension with David who never felt they accepted him as their son-in-law.
Needing a recommendation to get into NYU film school, Vinnie poses as an orderly to try and meet the head of ABC television who is staying at the hospital. Meanwhile, Doogie's first poker night with the guys at the hospital is memorable for all the wrong reasons.
Doogie is attracted to a nursing student who he asks out behind Wanda's back. A man who is staying at the hospital is married to two different women without each one knowing about the other. He asks Doogie to try and prevent each one from seeing the other.
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".