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.

Two weeks of volunteer work in Mexico makes Jack reevaluate his life.

Vinnie is no fly on the wall as he observes Doogie's personal and professional life while shooting a documentary on a day in the life of a teenage doctor.

Doogie is obsessed with his virginity while a patient believes that he is her late husband.

Doogie and Wanda's efforts to be friends are put on hold after Wanda calls long-distance for advice on a new guy.

At the hospital, the homeless are being turned away to make room for paying patients; and Doogie bucks the system by arranging surgery for a youngster's pet dog.

A seductive classmate proves more temptation than Vinnie can handle, especially when Janine grows distant.