Doogie's heavy third-year residency duties make him fear he's missing out on his youth.

Former gang member Raymond Alexander begins working at the hospital but his past may come back to haunt him.

Doogie becomes famous after doing some public service announcements.

Vinnie and his pregnant French teacher get stuck in an elevator.

Doogie wants to buy a classic car. A mentally ill patient turns down treatment.

Doogie treats a once popular singer who is trying to make a comeback.

Vinnie asks to "borrow" one of Doogie's old school papers. Meanwhile, Doogie treats a wealthy hypochondriac.

Vinnie makes a zombie horror movie.

Doogie and a hospitalized model realize they have something in common -- being judged by how beautiful or young they look.

Doogie rethinks his position on May-December relationships when he finds himself the victim of age discrimination.

Vinnie tries to get help getting into film school from a TV network executive who's been admitted to the hospital.

Doogie weighs his relationship with Wanda against an attractive nursing student.

Doogie wrecks his father's car and tries to cover it up.

An AIDS-infected artist brings out everyone's true feelings about the disease.

Grandpa Howser causes problems as Doogie's parents try to renovate the kitchen.

Doogie and Wanda face more strains when he goes to a party with another woman.

Doogie's mom gets a job. Unfortunately for Doogie, it's at his hospital.

Problems are bound to occur when Doogie kisses Janine.

Doogie takes a still-grieving Wanda to the prom then introduces her to a young heart patient to rekindle her spirit for living.

The 1992 L.A. riots find trauma surgeon Doogie overwhelmed.

Doogie hunts for new digs and finds a Venice Beach loft; and Vinnie must also find a new home when his parents divorce.

Doogie faces his first solo surgery fearing he's not perfect; and Vinnie faces his first time voting.

Doogie's ego takes a beating when a winsome nurse chooses Vinnie over him. Raymond also comes up short when comparing himself to other technicians.

Doogie's heart tells him to do one thing, his head another in choosing the best candidate for a heart transplant; and Vinnie's dilemma involves a vulnerable Janine.

Doogie holes up at the hospital on Thanksgiving Eve for some R&R, as does a new mother who feigns illness to get away from her family.